title: Physicochemical properties of amphoteric beta-lactam antibiotics. IV. First- and second-order degradations of cefaclor and cefatrizine in aqueous solution and kinetic interpretation of the intestinal absorption and degradation of the concentrated antibiotics.
mesh_terms: D000818:Animals; D002433:Cefaclor / Q000032:analysis*; D002436:Cefatrizine / Q000032:analysis*; D002506:Cephalexin / Q000031:analogs & derivatives*; D002511:Cephalosporins / Q000032:analysis*; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002851:Chromatography, High Pressure Liquid; D006863:Hydrogen-Ion Concentration; D007408:Intestinal Absorption; D007700:Kinetics; D008297:Male; D051381:Rats; D011919:Rats, Inbred Strains
chemical_list: D002511:Cephalosporins; D002433:Cefaclor; D002436:Cefatrizine; D002506:Cephalexin