title: A comparison of the amounts and the antigenicity of polymeric materials formed in aqueous solution by some beta-lactam antibiotics.
mesh_terms: D000667:Ampicillin; D000818:Animals; D000906:Antibodies; D002228:Carbenicillin; D002850:Chromatography, Gel; D006168:Guinea Pigs; D007106:Immune Sera; D008970:Molecular Weight; D010323:Passive Cutaneous Anaphylaxis; D010400:Penicillin G; D010406:Penicillins; D011108:Polymers; D011817:Rabbits; D012996:Solutions; D014867:Water
chemical_list: D000906:Antibodies; D007106:Immune Sera; D010406:Penicillins; D011108:Polymers; D012996:Solutions; D014867:Water; D000667:Ampicillin; D002228:Carbenicillin; D010400:Penicillin G