title: Relationship of locus of control to preoperative anxiety.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001007:Anxiety; D005260:Female; D006801:Humans; D007389:Internal-External Control; D008297:Male; D008875:Middle Aged; D010551:Personality; D012737:Sex Factors; D013514:Surgical Procedures, Operative; D013997:Time Factors