title: Demonstration of a lactobezoar by ultrasound.
mesh_terms: D000818:Animals; D001630:Bezoars / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D007223:Infant; D008297:Male; D008892:Milk / Q000009:adverse effects; D013270:Stomach; D014463:Ultrasonography