the fractions from these six patients also reduced gastrin-stimulated [ 14c ] aminopyrine uptake by gastric cells ( an index of gastric acid secretory activity in vitro ) by 50.2 +/- 8.4 per cent ( mean +/- s.d . ) , as compared with 9.2 +/- 4.1 per cent for the controls .
C0007634
cells
C1327616
secretory