title: A smooth muscle inhibitory material extracted from the bovine retractor penis and rat anococcygeus muscles [proceedings].
mesh_terms: D000818:Animals; D002415:Cats; D008297:Male; D008970:Molecular Weight; D009130:Muscle, Smooth / Q000032:analysis*; D009433:Neural Inhibition; D010413:Penis / Q000294:innervation; D051381:Rats