| Subject | Predicate | Object | Context |
|---|---|---|---|
| pubmed-meshheading:2178992-... | rdf:type | pubmed:MeshHeading | lld:pubmed |
| pubmed-meshheading:2178992-... | pubmed:mesh | pubmed-mesh:Ethinyl... | lld:pubmed |
| pubmed-article:2178992 | pubmed:meshHeading | pubmed-meshheading:2178992-... | lld:pubmed |