title: Use of psychologic testing in characterizing the frequent user of ambulatory health care services.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009518:New York; D010044:Outpatient Clinics, Hospital / Q000706:statistics & numerical data*; D010361:Patients / Q000523:psychology*; D010555:Personality Inventory; D012918:Social Alienation; D013315:Stress, Psychological