title: Difficulties in universal application of criteria identifying infants at low risk for serious bacterial infection.
mesh_terms: D001424:Bacterial Infections / Q000175:diagnosis*; D005260:Female; D005334:Fever / Q000175:diagnosis*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008722:Methods; D012306:Risk