Source:http://linkedlifedata.com/resource/pubmed/meshheading/19810617-Cross-Sectional+Studies
Subject | Predicate | Object | Context |
---|---|---|---|
pubmed-meshheading:19810617... | rdf:type | pubmed:MeshHeading | lld:pubmed |
pubmed-meshheading:19810617... | pubmed:mesh | pubmed-mesh:Cross-Sectional... | lld:pubmed |
pubmed-article:19810617 | pubmed:meshHeading | pubmed-meshheading:19810617... | lld:pubmed |