The elusive stomach ache.
Keeler
Lisa
L
D015746:Abdominal Pain / Q000209:etiology*; D001706:Biopsy; D002446:Celiac Disease / Q000150:complications / Q000175:diagnosis* / Q000178:diet therapy; D002648:Child; D003937:Diagnosis, Differential; D016099:Endoscopy, Gastrointestinal; D006801:Humans; D011320:Primary Health Care / Q000379:methods