Six-hour escape-avoidance work shift and production of stomach ulcers.
D000311:Adrenal Glands / Q000502:physiology; D000818:Animals; D001362:Avoidance Learning; D001835:Body Weight; D003259:Consummatory Behavior; D004327:Drinking Behavior; D004597:Electroshock; D004924:Escape Reaction / Q000453:epidemiology*; D005247:Feeding Behavior; D008297:Male; D009929:Organ Size; D051381:Rats; D011930:Reaction Time; D013276:Stomach Ulcer / Q000453:epidemiology*; D013997:Time Factors