no significant difference in clinical efficacy could be demonstrated between trimethoprim-polymyxin b and neomycin-polymyxin b -gramicidin but trimethoprim-polymyxin b was found to be significantly better ( p = 0.03 ) than chloramphenicol in reducing signs and symptoms .
C0722704
trimethoprim-polymyxin b
C0041041
trimethoprim