Influence of pregnancy upon gastric ulcers induced by restraint.
D000818:Animals; D003080:Cold Temperature; D005260:Female; D005508:Food Deprivation; D005865:Gestational Age; D007103:Immobilization; D011247:Pregnancy; D011248:Pregnancy Complications; D051381:Rats; D013276:Stomach Ulcer / Q000209:etiology* / Q000473:pathology; D013312:Stress, Physiological