title: Effects of substance-P on mechanical activity of frog muscle fibre.
mesh_terms: D000818:Animals; D066298:In Vitro Techniques; D009119:Muscle Contraction / Q000187:drug effects; D009132:Muscles / Q000187:drug effects*; D011896:Rana temporaria; D013373:Substance P / Q000494:pharmacology*
chemical_list: D013373:Substance P