Mixed infections with Hemophilus influenzae type b.
D000667:Ampicillin / Q000494:pharmacology*; D005260:Female; D006192:Haemophilus Infections / Q000382:microbiology*; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D007223:Infant; D008297:Male; D010403:Penicillin Resistance
D000667:Ampicillin