| Subject | Predicate | Object | Context |
|---|---|---|---|
| pubmed-meshheading:3981180-... | rdf:type | pubmed:MeshHeading | lld:pubmed |
| pubmed-meshheading:3981180-... | pubmed:mesh | pubmed-mesh:Refractory... | lld:pubmed |
| pubmed-article:3981180 | pubmed:meshHeading | pubmed-meshheading:3981180-... | lld:pubmed |