Apathy as an early manifestation of intussusception.
D005221:Fatigue / Q000209:etiology*; D006801:Humans; D007077:Ileal Diseases / Q000175:diagnosis; D007080:Ileocecal Valve; D007223:Infant; D007443:Intussusception / Q000175:diagnosis*; D014839:Vomiting / Q000209:etiology