Zhiwei Zhang

Do Mechanisms that Link Addiction Treatment Patients to Primary Care Influence Subsequent Utilization of Emergency and Hospital Care?

P. Friedmann, M. Stein, D. Gerstein, 2006, Medical care.

The effect of matching comprehensive services to patients' needs on drug use improvement in addiction treatment.

P. Friedmann, D. Gerstein, James C. Hendrickson, 2004, Addiction.

Effect of primary medical care on addiction and medical severity in substance abuse treatment programs

P. Friedmann, M. Stein, D. Gerstein, 2007, Journal of General Internal Medicine.

Does retention matter? Treatment duration and improvement in drug use.

P. Friedmann, D. Gerstein, Peter D Friedmann, 2003, Addiction.

Designated case managers as facilitators of medical and psychosocial service delivery in addiction treatment programs

P. Friedmann, D. Gerstein, James C. Hendrickson, 2005, The Journal of Behavioral Health Services & Research.

Occupation, job characteristics, and the use of alcohol and other drugs

W. E. Snizek, Zhiwei Zhang, 2003 .

Modeling Nonresponse and Underreporting in Response in Surveys of Arrestees

Zhiwei Zhang, 2009 .

NETWORKING FOR DRUG INJECTION AS A SOCIAL PROCESS: A SUBSTANTIVE AND METHODOLOGICAL ANALYSIS

Zhiwei Zhang, 2001 .

Patient Satisfaction and Sustained Outcomes of Drug Abuse Treatment

P. Friedmann, D. Gerstein, Zhiwei Zhang, 2008, Journal of health psychology.