1. The prevalence, nature and co-morbidity of depressive disorders in primary care;Coyne;Gen Hosp Psychiatry,1994
2. Depression Guideline Panel. Depression in primary care, vol. 1. Detection and diagnosis. Clinical Practice Guideline, no. 5. Rockville (MD): U.S. Department of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research; 1993. AHCPR publication no. 93-0550.
3. Epidemiology of depression in primary care;Katon;Gen Hosp Psychiatry,1992
4. Gender differences in depression in primary-care;Williams;Am J Obstet Gynecol,1995
5. Physical and psychiatric comorbidity in general practice;Kisley;Br J Psychiatry,1996