MULTIPLE PERORAL GASTROINTESTINAL BIOPSY SIMPLIFIED.
D001706:Biopsy; D002446:Celiac Disease; D002648:Child; D004386:Duodenum; D004864:Equipment and Supplies; D005753:Gastric Mucosa; D041981:Gastrointestinal Tract; D006801:Humans; D007583:Jejunum; D013182:Sprue, Tropical
BIOPSY; CHILD; DUODENUM; EQUIPMENT AND SUPPLIES; GASTRIC MUCOSA; GASTROINTESTINAL SYSTEM; JEJUNUM; SPRUE