Effect of surgery on psychological and social functioning in elderly patients.
D000223:Adaptation, Psychological; D000368:Aged; D001037:Aphasia; D001519:Behavior; D001660:Biliary Tract Diseases / Q000601:surgery; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000601:surgery; D010551:Personality; D011581:Psychological Tests; D012925:Social Conformity; D013514:Surgical Procedures, Operative