title: [Pepsin and the gastric acidity in the newborn].
mesh_terms: D005745:Gastric Acidity Determination; D005750:Gastric Juice / Q000032:analysis*; D006801:Humans; D007227:Infant Nutritional Physiological Phenomena; D007231:Infant, Newborn; D010434:Pepsin A / Q000032:analysis*
chemical_list: D010434:Pepsin A