Theophylline is not an antagonist of intramural inhibitory nerve activity in rabbit and guinea pig intestine [proceedings].
D000818:Animals; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007422:Intestines / Q000187:drug effects; D009119:Muscle Contraction / Q000187:drug effects*; D009130:Muscle, Smooth / Q000187:drug effects*; D011817:Rabbits; D013806:Theophylline / Q000494:pharmacology*
D013806:Theophylline