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Knudsen HK, Johnson JA, Roman PM.Knudsen HK, et al. Among authors: roman pm.J Subst Abuse Treat. 2003 Mar;24(2):129-35. doi: 10.1016/s0740-5472(02)00357-4.J Subst Abuse Treat. 2003.PMID: 12745030
Ducharme LJ, Mello HL, Roman PM, Knudsen HK, Johnson JA.Ducharme LJ, et al. Among authors: roman pm.J Behav Health Serv Res. 2007 Apr;34(2):121-36. doi: 10.1007/s11414-007-9061-7. Epub 2007 Mar 28.J Behav Health Serv Res. 2007.PMID: 17390225