How to use
The VHL is a collection of over 32 million bibliographic references of documents that are organized in databases, such as MEDLINE, LILACS, WHO IRIS and PAHO IRIS, in addition to dozens of national, thematic and institutional databases with technical and scientific information in Health Sciences.
Important information before starting the collection of open metadata from the VHL information sources
- There are limits that apply when collecting metadata. To download them manually, through the search interface, the maximum amount allowed per export is 50,000 documents. For larger quantities, the collection must be performed through a programmatic call (script), whose limit is 100 records per request. These limits can be changed by the BIREME team at any time, without prior notice, for the proper functioning of the service.
- Avoid carrying out programmatic data collection during the period of the day, as it will be competing with visits to our websites. We recommend that collections be scheduled to be carried out during periods of lesser use (dawns and weekends, São Paulo time, UTC-3).
- In order to use the open metadata of the VHL’s information sources, it is necessary to know and agree with the Terms and Conditions of Use and the Privacy Policy.
- Open metadata collection is in beta version. Export formats and mechanisms may change, as well as may have availability failures.
In what formats is metadata available?
Metadata is available in formats: XML, JSON, RIS, CSV and RSS.
Below is an example of each of these formats.
Ex: XML
<response>
<lst name="responseHeader">
<int name="status">0</int>
<int name="QTime">262</int>
<lst name="params">
<str name="q">malaria</str>
</lst>
</lst>
<result name="response" numFound="103254" start="0">
<doc>
<str name="id">mdl-34058927</str>
<arr name="db">
<str>MEDLINE</str>
</arr>
<str name="bvs">regional</str>
<arr name="instance">
<str>regional</str>
<str>fronteriza</str>
<str>bvsespana</str>
<str>carpha</str>
<str>paraguay</str>
<str>panama</str>
<str>bvsms</str>
<str>peru</str>
</arr>
<arr name="type">
<str>article</str>
</arr>
<arr name="au">
<str>Dange, Prasad</str>
<str>Gupta, Ankesh</str>
<str>Juneja, Richa</str>
<str>Saxena, Renu</str>
</arr>
<arr name="afiliacao_autor">
<str>Dange P; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.</str>
<str>Gupta A; Department of Medicine, 28730All India Institute of Medical Sciences, New Delhi, India.</str>
<str>Juneja R; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.</str>
<str>Saxena R; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.</str>
</arr>
<arr name="ti_en">
<str>A case of splenomegaly with RK-39 positivity: A diagnostic pitfall.</str>
</arr>
<arr name="ti">
<str>A case of splenomegaly with RK-39 positivity: A diagnostic pitfall.</str>
</arr>
<arr name="af">
<str>Department of Hematology</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>Department of Medicine</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>Department of Hematology</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>Department of Hematology</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>India</str>
</arr>
<arr name="af_cluster">
<str>Department of Hematology</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>Department of Medicine</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>Department of Hematology</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>Department of Hematology</str>
<str>28730All India Institute of Medical Sciences</str>
<str>New Delhi</str>
<str>India</str>
<str>India</str>
</arr>
<arr name="auid">
<str>0000-0002-7187-6021</str>
</arr>
<arr name="pg">
<str>494755211020610</str>
</arr>
<arr name="ta">
<str>Trop Doct</str>
<str>Trop. doctor</str>
<str>Tropical doctor</str>
</arr>
<arr name="fo">
<str>Trop Doct;: 494755211020610, 2021 May 31. </str>
</arr>
<arr name="is">
<str>1758-1133</str>
</arr>
<arr name="la">
<str>en</str>
</arr>
<str name="da">202106</str>
<arr name="cp">
<str>GB</str>
<str>REINO UNIDO</str>
<str>UNITED KINGDOM</str>
<str>REINO UNIDO</str>
<str>UK</str>
<str>GREAT BRITAIN</str>
<str>INGLATERRA</str>
<str>ENGLAND</str>
<str>ESCOCIA</str>
<str>SCOTLAND</str>
</arr>
<arr name="ab">
<str>Long-standing moderate to marked splenomegaly suggests several differential diagnoses, both haematological and infectious, particularly leishmaniasis and malaria in endemic areas. Non-infectious causes may be missed in these regions, especially if pitfalls of serological testing are not considered. Careful patient evaluation is necessary to arrive at the correct diagnosis. We report a case of a young male whose hereditary spherocytosis was initially missed because of RK-39 positivity, splenomegaly and the fact that he hailed from an endemic region.</str>
</arr>
<arr name="pt">
<str>Artigo de Revista</str>
</arr>
<arr name="carpha_language">
<str>ingles</str>
</arr>
<str name="aid">10.1177/00494755211020610</str>
<arr name="ur">
<str>https://dx.doi.org/10.1177/00494755211020610</str>
</arr>
<str name="entry_date">20210601</str>
<str name="update_date">20210601</str>
<float name="weight">40.0</float>
<arr name="pais_afiliacao">
<str>^iIndia^eIndia^pÃndia^fInde</str>
</arr>
<arr name="kw">
<str>RK-39</str>
<str>diagnosis</str>
<str>hereditary disease</str>
<str>hereditary spherocytosis</str>
<str>kala-azar</str>
<str>leishmania</str>
<str>splenomegaly</str>
</arr>
<long name="_version_">1701906452085473280</long>
</doc>
</result>
<lst name="facet_counts">
<lst name="facet_queries"/>
<lst name="facet_fields">
<lst name="collection">
<int name="01-internacional">93315</int>
<int name="04-international_org">7857</int>
<int name="05-specialized">570</int>
<int name="05-specialized/BR">4</int>
<int name="06-national">1422</int>
<int name="06-national/AR">111</int>
<int name="06-national/BR">633</int>
<int name="06-national/CU">171</int>
<int name="06-national/ES">285</int>
<int name="06-national/PE">145</int>
<int name="06-national/PR">6</int>
<int name="07-terminology">37</int>
<int name="08-cvsp">96</int>
<int name="09-preprints">41</int>
</lst>
<lst name="db">
<int name="MEDLINE">89657</int>
<int name="WHOLIS">5666</int>
<int name="LILACS">3719</int>
<int name="PAHO">1236</int>
<int name="PAHOIRIS">955</int>
<int name="LIS">329</int>
<int name="IBECS">285</int>
<int name="colecionaSUS">264</int>
<int name="MedCarib">225</int>
<int name="SES-SP">214</int>
</lst>
<lst name="type_of_study">
<int name="prognostic_studies">17890</int>
<int name="risk_factors_studies">17129</int>
<int name="diagnostic_studies">10499</int>
<int name="observational_studies">8197</int>
<int name="etiology_studies">7062</int>
<int name="prevalence_studies">6466</int>
<int name="clinical_trials">5415</int>
<int name="screening_studies">5083</int>
<int name="case_reports">4209</int>
<int name="qualitative_research">3938</int>
</lst>
<lst name="la">
<int name="en">87729</int>
<int name="fr">5495</int>
<int name="es">4359</int>
<int name="pt">2047</int>
<int name="zh">1213</int>
<int name="ru">1166</int>
<int name="de">808</int>
<int name="it">245</int>
<int name="ar">218</int>
<int name="ja">176</int>
</lst>
<lst name="ta_cluster">
<int name="Malar J">6271</int>
<int name="Am J Trop Med Hyg">3423</int>
<int name="PLoS One">2496</int>
<int name="Trans R Soc Trop Med Hyg">2176</int>
<int name="Lancet">1428</int>
<int name="J Infect Dis">1059</int>
<int name="Infect Immun">963</int>
<int name="Acta Trop">941</int>
<int name="Trop Med Int Health">852</int>
<int name="Parasit Vectors">820</int>
</lst>
<lst name="pais_assunto">
<int name="africa">19899</int>
<int name="asia">10402</int>
<int name="america do sul">4977</int>
<int name="europa">3830</int>
<int name="brasil">2424</int>
<int name="america do norte">1824</int>
<int name="america central">865</int>
<int name="colombia">842</int>
<int name="caribe ingles">641</int>
<int name="oceania">426</int>
</lst>
<lst name="cc">
<int name="CH1.1">5666</int>
<int name="US1.1">2392</int>
<int name="BR1.1">1310</int>
<int name="ES1.1">262</int>
<int name="BR15.1">210</int>
<int name="BR1273.1">186</int>
<int name="BR67.1">174</int>
<int name="BR1719.1">166</int>
<int name="BR599.1">165</int>
<int name="VE1.1">163</int>
</lst>
<lst name="year_cluster">
<int name="2020">4336</int>
<int name="2016">4186</int>
<int name="2015">4105</int>
<int name="2014">4066</int>
<int name="2018">3946</int>
<int name="2017">3932</int>
<int name="2019">3862</int>
<int name="2013">3783</int>
<int name="2012">3745</int>
<int name="2011">3605</int>
</lst>
<lst name="type">
<int name="article">95298</int>
<int name="monography">2148</int>
<int name="congress and conference">719</int>
<int name="thesis">434</int>
<int name="internet resource">329</int>
<int name="non-conventional">324</int>
<int name="project document">253</int>
<int name="oba">96</int>
<int name="preprint">41</int>
<int name="terminology">37</int>
</lst>
<lst name="jd">
<int name="MEDICINA TROPICAL">9697</int>
<int name="MEDICINA">5382</int>
<int name="PARASITOLOGIA">3643</int>
<int name="DOENCAS TRANSMISSIVEIS">3562</int>
<int name="CIENCIA">2872</int>
<int name="SAUDE PUBLICA">2860</int>
<int name="BIOLOGIA MOLECULAR">1883</int>
<int name="BIOLOGIA">1735</int>
<int name="QUIMICA">1527</int>
<int name="MICROBIOLOGIA">1400</int>
</lst>
<lst name="pais_afiliacao">
<int name="^iUnited States^eEstados Unidos^pEstados Unidos^fÉtats-Unis d'Amérique">11031</int>
<int name="^iUnited kingdom^eReino Unido^pReino Unido^fRoyaume-Uni">5758</int>
<int name="^iIndia^eIndia^pÃndia^fInde">3956</int>
<int name="^iFrance^eFrancia^pFrança^fFrance">2944</int>
<int name="^iAustralia^eAustralia^pAustrália^fAustralie">2512</int>
<int name="^iBrazil^eBrasil^pBrasil^fBrésil">2485</int>
<int name="^iThailand^eTailandia^pTailândia^fThaïlande">1966</int>
<int name="^iGermany^eAlemania^pAlemanha^fAllemagne">1918</int>
<int name="^iNigeria^eNigeria^pNigéria^fNigeria">1578</int>
<int name="^iSwitzerland^eSuiza^pSuÃça^fSuisse">1453</int>
</lst>
<lst name="cp">
<int name="ENGLAND">31678</int>
<int name="ESCOCIA">31678</int>
<int name="GB">31678</int>
<int name="GREAT BRITAIN">31678</int>
<int name="INGLATERRA">31678</int>
<int name="REINO UNIDO">31678</int>
<int name="SCOTLAND">31678</int>
<int name="UK">31678</int>
<int name="UNITED KINGDOM">31678</int>
<int name="EEUU">28022</int>
</lst>
<lst name="af_cluster">
<int name="USA">11929</int>
<int name="UK">5444</int>
<int name="India">4500</int>
<int name="France">3863</int>
<int name="Australia">3350</int>
<int name="London">2782</int>
<int name="Germany">2534</int>
<int name="Thailand">2509</int>
<int name="United Kingdom">2437</int>
<int name="Department of Medicine">2379</int>
</lst>
</lst>
<lst name="facet_dates"/>
<lst name="facet_ranges"/>
<lst name="facet_intervals"/>
<lst name="facet_heatmaps"/></lst>
</response>
Ex: JSON
{
"diaServerResponse":[
{
"responseHeader":{
"status":0,
"QTime":250,
"params":{
"q":"malaria",
"qt":"bvs",
"rows":"1",
"wt":"json",
}
},
"response":{
"numFound":103254,
"start":0,
"docs":[
{
"id":"mdl-34058927",
"db":[
"MEDLINE"
],
"bvs":"regional",
"instance":[
"regional",
"fronteriza",
"bvsespana",
"carpha",
"paraguay",
"panama",
"bvsms",
"peru"
],
"type":[
"article"
],
"au":[
"Dange, Prasad",
"Gupta, Ankesh",
"Juneja, Richa",
"Saxena, Renu"
],
"afiliacao_autor":[
"Dange P; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.",
"Gupta A; Department of Medicine, 28730All India Institute of Medical Sciences, New Delhi, India.",
"Juneja R; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.",
"Saxena R; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India."
],
"ti_en":[
"A case of splenomegaly with RK-39 positivity: A diagnostic pitfall."
],
"ti":[
"A case of splenomegaly with RK-39 positivity: A diagnostic pitfall."
],
"af":[
"Department of Hematology",
"28730All India Institute of Medical Sciences",
"New Delhi",
"India",
"Department of Medicine",
"28730All India Institute of Medical Sciences",
"New Delhi",
"India",
"Department of Hematology",
"28730All India Institute of Medical Sciences",
"New Delhi",
"India",
"Department of Hematology",
"28730All India Institute of Medical Sciences",
"New Delhi",
"India",
"India"
],
"auid":[
"0000-0002-7187-6021"
],
"pg":[
"494755211020610"
],
"ta":[
"Trop Doct",
"Trop. doctor",
"Tropical doctor"
],
"fo":[
"Trop Doct;: 494755211020610, 2021 May 31. "
],
"is":[
"1758-1133"
],
"la":[
"en"
],
"da":"202106",
"cp":[
"GB",
"REINO UNIDO",
"UNITED KINGDOM",
"REINO UNIDO",
"UK",
"GREAT BRITAIN",
"INGLATERRA",
"ENGLAND",
"ESCOCIA",
"SCOTLAND"
],
"ab":[
"Long-standing moderate to marked splenomegaly suggests several differential diagnoses, both haematological and infectious, particularly leishmaniasis and malaria in endemic areas. Non-infectious causes may be missed in these regions, especially if pitfalls of serological testing are not considered. Careful patient evaluation is necessary to arrive at the correct diagnosis. We report a case of a young male whose hereditary spherocytosis was initially missed because of RK-39 positivity, splenomegaly and the fact that he hailed from an endemic region."
],
"pt":[
"Artigo de Revista"
],
"carpha_language":[
"ingles"
],
"aid":"10.1177/00494755211020610",
"ur":[
"https://dx.doi.org/10.1177/00494755211020610"
],
"entry_date":"20210601",
"update_date":"20210601",
"weight":40.0,
"pais_afiliacao":[
"^iIndia^eIndia^pÍndia^fInde"
],
"kw":[
"RK-39",
"diagnosis",
"hereditary disease",
"hereditary spherocytosis",
"kala-azar",
"leishmania",
"splenomegaly"
],
"_version_":1701906452085473280
}
]
},
"facet_counts":{
"facet_queries":{
},
"facet_fields":{
"collection":[
[
"01-internacional",
93315
],
[
"04-international_org",
7857
],
[
"05-specialized",
570
],
[
"05-specialized/BR",
4
],
[
"06-national",
1422
],
[
"06-national/AR",
111
],
[
"06-national/BR",
633
],
[
"06-national/CU",
171
],
[
"06-national/ES",
285
],
[
"06-national/PE",
145
],
[
"06-national/PR",
6
],
[
"07-terminology",
37
],
[
"08-cvsp",
96
],
[
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41
]
],
"db":[
[
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],
[
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],
[
"LILACS",
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],
[
"PAHO",
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],
[
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],
[
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],
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],
[
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],
[
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[
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"la":[
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],
[
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[
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[
"zh",
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],
[
"ru",
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],
[
"de",
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],
[
"it",
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],
[
"ar",
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],
[
"ja",
176
]
],
"ta_cluster":[
[
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],
[
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],
[
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],
[
"Lancet",
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],
[
"J Infect Dis",
1059
],
[
"Infect Immun",
963
],
[
"Acta Trop",
941
],
[
"Trop Med Int Health",
852
],
[
"Parasit Vectors",
820
]
],
"pais_assunto":[
[
"africa",
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],
[
"asia",
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],
[
"america do sul",
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],
[
"europa",
3830
],
[
"brasil",
2424
],
[
"america do norte",
1824
],
[
"america central",
865
],
[
"colombia",
842
],
[
"caribe ingles",
641
],
[
"oceania",
426
]
],
"cc":[
[
"CH1.1",
5666
],
[
"US1.1",
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],
[
"BR1.1",
1310
],
[
"ES1.1",
262
],
[
"BR15.1",
210
],
[
"BR1273.1",
186
],
[
"BR67.1",
174
],
[
"BR1719.1",
166
],
[
"BR599.1",
165
],
[
"VE1.1",
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]
],
"year_cluster":[
[
"2020",
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],
[
"2016",
4186
],
[
"2015",
4105
],
[
"2014",
4066
],
[
"2018",
3946
],
[
"2017",
3932
],
[
"2019",
3862
],
[
"2013",
3783
],
[
"2012",
3745
],
[
"2011",
3605
]
],
"type":[
[
"article",
95298
],
[
"monography",
2148
],
[
"congress and conference",
719
],
[
"thesis",
434
],
[
"internet resource",
329
],
[
"non-conventional",
324
],
[
"project document",
253
],
[
"oba",
96
],
[
"preprint",
41
],
[
"terminology",
37
]
],
"jd":[
[
"MEDICINA TROPICAL",
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],
[
"MEDICINA",
5382
],
[
"PARASITOLOGIA",
3643
],
[
"DOENCAS TRANSMISSIVEIS",
3562
],
[
"CIENCIA",
2872
],
[
"SAUDE PUBLICA",
2860
],
[
"BIOLOGIA MOLECULAR",
1883
],
[
"BIOLOGIA",
1735
],
[
"QUIMICA",
1527
],
[
"MICROBIOLOGIA",
1400
]
],
"pais_afiliacao":[
[
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11031
],
[
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5758
],
[
"^iIndia^eIndia^pÍndia^fInde",
3956
],
[
"^iFrance^eFrancia^pFrança^fFrance",
2944
],
[
"^iAustralia^eAustralia^pAustrália^fAustralie",
2512
],
[
"^iBrazil^eBrasil^pBrasil^fBrésil",
2485
],
[
"^iThailand^eTailandia^pTailândia^fThaïlande",
1966
],
[
"^iGermany^eAlemania^pAlemanha^fAllemagne",
1918
],
[
"^iNigeria^eNigeria^pNigéria^fNigeria",
1578
],
[
"^iSwitzerland^eSuiza^pSuíça^fSuisse",
1453
]
],
"cp":[
[
"ENGLAND",
31678
],
[
"ESCOCIA",
31678
],
[
"GB",
31678
],
[
"GREAT BRITAIN",
31678
],
[
"INGLATERRA",
31678
],
[
"REINO UNIDO",
31678
],
[
"SCOTLAND",
31678
],
[
"UK",
31678
],
[
"UNITED KINGDOM",
31678
],
[
"EEUU",
28022
]
],
"af_cluster":[
[
"USA",
11929
],
[
"UK",
5444
],
[
"India",
4500
],
[
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TY - JOUR
AU - Dange, Prasad
AU - Gupta, Ankesh
AU - Juneja, Richa
AU - Saxena, Renu
AD - Dange P; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.
AD - Gupta A; Department of Medicine, 28730All India Institute of Medical Sciences, New Delhi, India.
AD - Juneja R; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.
AD - Saxena R; Department of Hematology, 28730All India Institute of Medical Sciences, New Delhi, India.
TI - A case of splenomegaly with RK-39 positivity: A diagnostic pitfall.
JO - Trop Doct
SN - 1758-1133
DB - MEDLINE
DP - http://bvsalud.org/
ID - mdl-34058927
LA - en
SP - 494755211020610
EP - 494755211020610
DA - 2021/06
PY - 2021
AB - Long-standing moderate to marked splenomegaly suggests several differential diagnoses, both haematological and infectious, particularly leishmaniasis and malaria in endemic areas. Non-infectious causes may be missed in these regions, especially if pitfalls of serological testing are not considered. Careful patient evaluation is necessary to arrive at the correct diagnosis. We report a case of a young male whose hereditary spherocytosis was initially missed because of RK-39 positivity, splenomegaly and the fact that he hailed from an endemic region.
UR - https://dx.doi.org/10.1177/00494755211020610
ER -
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