Stepped Collaborative Care for Primary Care Patients With Persistent Symptoms of DepressionWayne Katon, Evette Ludman, Terry Bush et al.|Archives of General Psychiatry|1999Cited by 676
Cost-Effectiveness of a Collaborative Care Program for Primary Care Patients With Persistent DepressionGregory E. Simon, Evette Ludman, Wayne Katon et al.|American Journal of Psychiatry|2001Cited by 330
A Randomized Trial of Relapse Prevention of Depression in Primary CareWayne Katon, Jürgen Unützer, Elizabeth Lin et al.|Archives of General Psychiatry|2001Cited by 304
Treatment Costs, Cost Offset, and Cost-Effectiveness of Collaborative Management of DepressionMichael Von Korff, Jürgen Unützer, Wayne Katon et al.|Psychosomatic Medicine|1998Cited by 274
Long-term Effectiveness and Cost of a Systematic Care Program for Bipolar DisorderGregory E. Simon, Belinda H. Operskalski, Evette Ludman et al.|Archives of General Psychiatry|2006Cited by 261