Ampicillin resistant Hemophilus influenzae meningitis in Arkansas.
D000667:Ampicillin / Q000627:therapeutic use*; D001131:Arkansas; D002675:Child, Preschool; D006193:Haemophilus influenzae / Q000187:drug effects*; D006801:Humans; D008297:Male; D008583:Meningitis, Haemophilus / Q000188:drug therapy*; D010403:Penicillin Resistance
D000667:Ampicillin