the distribution of cefoperazone ( cpz ) , a new semisynthetic cephalosporin antibiotic , was studied by macroautoradiography following a single intravenous or subcutaneous administration of 100 mg/kg 14c-cpz to rats , mice , pregnant mice and experimental pyelonephritic mice .
C3536856
cephalosporin
C0007552
cpz