Effects of theophylline and cAMP on Amphiuma small intestine.
D000818:Animals; D000242:Cyclic AMP / Q000494:pharmacology*; D007421:Intestine, Small / Q000187:drug effects*; D011817:Rabbits; D013806:Theophylline / Q000494:pharmacology*; D014562:Caudata
D013806:Theophylline; D000242:Cyclic AMP