title: Meningococcal infections in Belfast children 1972-1973.
mesh_terms: D000367:Age Factors; D000667:Ampicillin / Q000627:therapeutic use; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008585:Meningitis, Meningococcal / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology; D008589:Meningococcal Infections / Q000175:diagnosis / Q000188:drug therapy / Q000453:epidemiology*; D009660:Northern Ireland
chemical_list: D000667:Ampicillin