title: Complete rectal absorption of theophylline in rats without absorption enhancer.
mesh_terms: D000285:Administration, Rectal; D000818:Animals; D006207:Half-Life; D007408:Intestinal Absorption; D007700:Kinetics; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains; D012007:Rectum / Q000378:metabolism; D013806:Theophylline / Q000008:administration & dosage / Q000097:blood / Q000378:metabolism*
chemical_list: D013806:Theophylline