Studies on the absorption distribution and excretion of 14C-labelled sodium 7-[D(-)-alpha-(4-ethyl-2,3-dioxo-1-piperazine-carboxamido)-alpha-(4-hydroxyphenyl l) acetamido]-3-[(1-methyl-1H-tetrazol-5-yl) thiomethyl]-3-cephem-4-carboxylate (14C-cefoperazone) in rats and mice |