title: Clinical policy for children younger than three years presenting to the emergency department with fever.
mesh_terms: D002675:Child, Preschool; D002985:Clinical Protocols; D004635:Emergency Medicine / Q000592:standards*; D005334:Fever / Q000175:diagnosis / Q000209:etiology / Q000628:therapy*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn