title: Inhibition of "spontaneous," notochord-induced, and collagen-induced in vitro somite chondrogenesis by cyclic AMP derivatives and theophylline.
mesh_terms: D000818:Animals; D003994:Bucladesine / Q000494:pharmacology*; D002356:Cartilage / Q000196:embryology*; D002478:Cells, Cultured; D002642:Chick Embryo; D003094:Collagen / Q000502:physiology*; D006152:Cyclic GMP / Q000494:pharmacology; D003864:Depression, Chemical; D004627:Embryonic Induction / Q000187:drug effects; D008648:Mesoderm; D009420:Nervous System / Q000196:embryology*; D013131:Spine / Q000196:embryology*; D013806:Theophylline / Q000494:pharmacology*
chemical_list: D003994:Bucladesine; D003094:Collagen; D013806:Theophylline; D006152:Cyclic GMP