Abstract
Conclusions
1. The output of hydrochloric acid in the 12-hour nocturnal gastric secretion of 4 patients with peptic ulcer was unchanged following the intramuscular administration of 200 to 2000 mg of a dialyzed preparation of enterogastrone. 2. Gastric secretion was reduced slightly in one and markedly in five of six patients with peptic ulcer, given 5000 mg. The transitory inhibition consisted chiefly of a decrease in the concentration of acid and, to a lesser extent, of the volume of secretion.
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