[GASTRIC STRUCTURE AND PEPTIC SECRETION].
D001706:Biopsy; D005750:Gastric Juice; D005753:Gastric Mucosa; D006651:Histocytochemistry; D010434:Pepsin A; D013270:Stomach
D010434:Pepsin A
BIOPSY; GASTRIC JUICE; GASTRIC MUCOSA; HISTOCYTOCHEMISTRY; PEPSIN
ESTRUCTURA G'ASTRICA Y SECRECI'ON P'EPTICA.