[Gastroscopic images in gastroduodenal ulcer & its relation to gastric chemistry].
D005750:Gastric Juice; D005773:Gastroscopy; D010437:Peptic Ulcer / Q000175:diagnosis*
GASTRIC JUICE; GASTROSCOPY; PEPTIC ULCER/diagnosis
As imagens gastroscópicas na ulcera gastroduodenal e sua relacão com o quimismo gástricó.