The ectrophoretic separation of penicillins and penicilloic acids.
D000143:Acids / Q000302:isolation & purification; D001681:Biological Assay; D004586:Electrophoresis; D008722:Methods; D010406:Penicillins / Q000302:isolation & purification*
D000143:Acids; D010406:Penicillins