title: Reduction of exercise dilation by theophylline.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000241:Adenosine / Q000494:pharmacology*; D000249:Adenosine Monophosphate / Q000494:pharmacology; D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D004285:Dogs; D066298:In Vitro Techniques; D009132:Muscles / Q000098:blood supply; D005082:Physical Exertion; D013806:Theophylline / Q000494:pharmacology*; D014666:Vasomotor System / Q000187:drug effects*
chemical_list: D000249:Adenosine Monophosphate; D000255:Adenosine Triphosphate; D013806:Theophylline; D000241:Adenosine; D000109:Acetylcholine