title: Unresponsiveness of cartilage to serum somatomedins--further observations.
mesh_terms: D000375:Aging; D000818:Animals; D002356:Cartilage / Q000187:drug effects* / Q000378:metabolism; D006801:Humans; D008297:Male; D011392:Proline / Q000378:metabolism; D051381:Rats; D012272:Ribs; D013002:Somatomedins / Q000494:pharmacology*
chemical_list: D013002:Somatomedins; D011392:Proline