[PERORAL INTESTINAL BIOPSY OF THE UPPER JEJUNUM. INSTRUMENTS AND TECHNICS].
D001706:Biopsy; D004864:Equipment and Supplies; D006801:Humans; D007422:Intestines; D007583:Jejunum
BIOPSY; EQUIPMENT AND SUPPLIES; JEJUNUM
BIOPSIA INTESTINAL PERORAL DEL ALTO YEYUNO. INSTRUMENTAL Y T'ECNICA.