title: A study of drug action on the developing avian cardiac muscle.
mesh_terms: D000818:Animals; D002417:Cattle; D002642:Chick Embryo; D002645:Chickens; D006321:Heart / Q000187:drug effects*; D009213:Myography; D009638:Norepinephrine / Q000494:pharmacology*; D012110:Reserpine / Q000494:pharmacology; D013154:Spleen; D014020:Tissue Extracts / Q000494:pharmacology*; D014439:Tyramine / Q000494:pharmacology*
chemical_list: D014020:Tissue Extracts; D012110:Reserpine; D009638:Norepinephrine; D014439:Tyramine