Drug absorption IV: influence of pH on absorption kinetics of weakly acidic drugs.
D000818:Animals; D001463:Barbiturates / Q000378:metabolism; D001692:Biological Transport; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption; D007700:Kinetics; D008297:Male; D008954:Models, Biological; D051381:Rats; D011919:Rats, Inbred Strains; D013432:Sulfathiazoles / Q000378:metabolism; D013997:Time Factors
D001463:Barbiturates; D013432:Sulfathiazoles