in both groups gastric secretion , basal and after pentagastrin stimulation , and serum levels of gastrin and pepsinogen i , basal and after pentagastrin stimulation , and serum levels of gastrin and pepsinogen pepsinogen basal and after pentagastrin stimulation , and serum levels of gastrin and pepsinogen i , basal and after proteic meal , were studied .
C0030913
pepsinogen
C0077923
pepsinogen i