1. Pasic J, Russo J, Roy-Byrne P. High utilizers of psychiatric emergency services. Psychiatr Serv. 2005;56(6):678-684.
2. Geller J, Fisher W, McDermeit M, et al. The effects of public managed care on patterns of intensive use of inpatient psychiatric services. Psychiatr Serv. 1998;49:327-332.
3. Groves JE. Taking care of the hateful patient. N Engl J Med. 1978;298(16):883-887.
4. Karlsson H, Lehtinen V, Joukamaa M. Are frequent attenders of primary health care distressed? Scan J Health Care. 1995;13:32-38.
5. Karlsson H, Lehtinen V, Joukamaa M. Psychiatric morbidity among frequent attenders in primary care. Gen Hosp Psychiatry. 1995;17:19-25.
6. Lefevre F, Refiler D, Lee P, et al. Screening for undetected mental disorders in high utilizers of primary care services. J Gen Int Med. 1999;14:425-431.
7. Pearson S, Katzelnick D, Simon G, et al. Depression among high utilizers of medical care. J Gen Intern Med. 1999;14:461-468.
8. DiMatteo MR, Lepper HS, Croghan TW. Depression is a risk factor for noncompliance with medical treatment: meta-analysis of the effects of anxiety and depression on medical adherence. Arch Intern Med. 2000;160:2101-2107.
9. Von Korff M, Ormel J, Katon W, et al. Disability and depression among high utilizers of health care. A longitudinal analysis. Arch Gen Psychiatry. 1992;49(2):91-100.
10. Watts D, Morgan G. Malignant alienation dangers for patients who are hard to like. Br J Psychiatry. 1994;164:11-15.
