Franke, P., Wendel, B., Knapp, M., Schwab, S. G., Maier, W., Wildenauer, D. B., & Hoehe, M. R. (2002). Introducing a new recruitment design for genetic association studies in opioid dependence. European Psychiatry, 17, 220. doi:10.1016/s0924-9338(02)80940-3
Franke, P., Wendel, B., Knapp, M., Schwab, S. G., Maier, W., Wildenauer, D. B., & Hoehe, M. R. (2002). Introducing a new recruitment design for genetic association studies in opioid dependence. European Psychiatry, 17, 220. doi:10.1016/s0924-9338(02)80940-3