title: Cyclic 3'5'-AMP, its dibutyryl derivative and theophylline effects on the rat portal vein in vitro.
mesh_terms: D000227:Adenine Nucleotides / Q000494:pharmacology*; D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000818:Animals; D000242:Cyclic AMP / Q000494:pharmacology; D008297:Male; D009130:Muscle, Smooth / Q000187:drug effects*; D010643:Phenoxybenzamine / Q000494:pharmacology; D011169:Portal Vein / Q000187:drug effects*; D051381:Rats; D013565:Sympatholytics / Q000494:pharmacology; D013806:Theophylline / Q000494:pharmacology*
chemical_list: D000227:Adenine Nucleotides; D000319:Adrenergic beta-Antagonists; D013565:Sympatholytics; D010643:Phenoxybenzamine; D013806:Theophylline; D000242:Cyclic AMP