| Subject | Predicate | Object | Context |
|---|---|---|---|
| pubmed-meshheading:7067622-... | rdf:type | pubmed:MeshHeading | lld:pubmed |
| pubmed-meshheading:7067622-... | pubmed:mesh | pubmed-mesh:United States... | lld:pubmed |
| pubmed-article:7067622 | pubmed:meshHeading | pubmed-meshheading:7067622-... | lld:pubmed |