1. Üstün TB, Sartorius N: Mental Illness in General Health Care: An International Study. 1995, Chichester, UK: Wiley
2. Depression Guideline Panel: Clinical Practice Guideline No. 5: Depression in Primary Care, 1: Detection and Diagnosis. 1993, Rockville, MD: US Dept of Health and Human Services, Agency for Health Care Policy and Research, AHCPR Publication 93-0550.
3. Craig TKJ, Boardman AP: ABC of mental health. Common mental health problems in primary care. BMJ. 314: 1609-12.
4. Diagnostic and Statistical Manual of Mental Disorders. Primary Care Version. International version with ICD-10 codes. 1996, Washington DC: American Psychiatric Association, Fourth
5. Katon W, Schulberg H: Epidemiology of depression in primary care. Gen Hosp Psychiatry. 1992, 14: 237-247. 10.1016/0163-8343(92)90094-Q.