[H. influenzae type b resistant to ampicillin].
D000667:Ampicillin; D002648:Child; D006192:Haemophilus Infections / Q000382:microbiology; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D009520:New Zealand; D010403:Penicillin Resistance
D000667:Ampicillin