Letter: Ampicillin resistance in Haemophilus influenzae.
D000667:Ampicillin / Q000494:pharmacology / Q000627:therapeutic use*; D002648:Child; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D008583:Meningitis, Haemophilus / Q000188:drug therapy*; D008826:Microbial Sensitivity Tests; D010403:Penicillin Resistance
D000667:Ampicillin