“…Edwards and Copeman (1943) failed to demonstrate a peptic ulcer in 5000 of 436 dyspeptic patients in the Army, while Avery Jones and Pollak (1945) classified 41 00 of a group of 1,522 patients with gastric symptoms into the category of " non-ulcer dyspepsia." Friedman (1948), reviewing "functional dyspepsia" in the American forces, reported a 10 to 60% incidence in various series of patients, the average incidence for a total of 13,000 patients being 520°,h.…”