[Acid secretion and gastroduodenal ulcer].
D000367:Age Factors; D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000378:metabolism*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010437:Peptic Ulcer / Q000503:physiopathology*
Sécrétion acide et ulcère gastro-duodénal