title: Rocky Mountain spotted fever in an infant: diagnosis in siblings.
mesh_terms: D000667:Ampicillin / Q000627:therapeutic use; D002675:Child, Preschool; D002701:Chloramphenicol / Q000627:therapeutic use; D006801:Humans; D007223:Infant; D008297:Male; D012373:Rocky Mountain Spotted Fever / Q000175:diagnosis* / Q000188:drug therapy / Q000235:genetics; D014922:Wisconsin
chemical_list: D002701:Chloramphenicol; D000667:Ampicillin