| Subject | Predicate | Object | Context |
|---|---|---|---|
| pubmed-meshheading:11940092... | rdf:type | pubmed:MeshHeading | lld:pubmed |
| pubmed-meshheading:11940092... | pubmed:mesh | pubmed-mesh:Methylenetetrah... | lld:pubmed |
| pubmed-article:11940092 | pubmed:meshHeading | pubmed-meshheading:11940092... | lld:pubmed |