TY - JOUR KW - Adult KW - Comorbidity KW - Delivery of Health Care, Integrated KW - Female KW - Humans KW - Male KW - Multivariate Analysis KW - Primary Health Care KW - Regression Analysis KW - Severity of Illness Index KW - Substance Abuse Treatment Centers KW - Substance-Related Disorders/classification/ therapy KW - Treatment Outcome KW - United States AU - P. D. Friedmann AU - Z. Zhang AU - J. Hendrickson AU - M. D. Stein AU - D. R. Gerstein A1 - BT - J Gen Intern Med C5 - Opioids & Substance Use CP - 1 DO - 10.1046/j.1525-1497.2003.10601.x IS - 1 JF - J Gen Intern Med PY - 2003 SN - 0884-8734 (Print) 0884-8734 (Linking) SP - 1 EP - 8 EP - T1 - Effect of primary medical care on addiction and medical severity in substance abuse treatment programs T2 - J Gen Intern Med TI - Effect of primary medical care on addiction and medical severity in substance abuse treatment programs U1 - Opioids & Substance Use U2 - 12534757 U3 - 10.1046/j.1525-1497.2003.10601.x VL - 18 VO - 0884-8734 (Print) 0884-8734 (Linking) Y1 - 2003 ER -