Some experimental observations on gastrointestinal lesions in behaviorally conditioned monkeys.
D000818:Animals; D005767:Gastrointestinal Diseases; D000882:Haplorhini; D006801:Humans; D007858:Learning; D010040:Otosclerosis / Q000601:surgery*
GASTROINTESTINAL DISEASES; LEARNING; OTOSCLEROSIS/surgery