since cefoxitin has been shown to be an effective alternative to spectinomycin for the treatment of infections due to penicillinase-producing strains of neisseria gonorrhoeae ( ppng ) its efficacy was compared with that of a new cephalosporin , ceftriaxone ( r013-9904 ) .
C3536856
cephalosporin
C0007561
ceftriaxone