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Schumann A, John U, Ulbricht S, Rüge J, Bischof G, Meyer C.Schumann A, et al. Among authors: meyer c.Addict Behav. 2007 Dec;32(12):3083-7. doi: 10.1016/j.addbeh.2007.06.004. Epub 2007 Jun 9.Addict Behav. 2007.PMID: 17614214Clinical Trial.
Schumann A, Meyer C, Rumpf HJ, Hapke U, John U.Schumann A, et al. Among authors: meyer c.Prev Med. 2002 Oct;35(4):326-33. doi: 10.1006/pmed.2002.1085.Prev Med. 2002.PMID: 12453709
John U, Meyer C, Rumpf HJ, Hapke U.John U, et al. Among authors: meyer c.Addiction. 2003 Jun;98(6):805-14. doi: 10.1046/j.1360-0443.2003.00381.x.Addiction. 2003.PMID: 12780369
John U, Meyer C, Hapke U, Rumpf HJ, Schumann A, Adam C, Alte D, Lüdemann J.John U, et al. Among authors: meyer c.Drug Alcohol Depend. 2003 Jul 20;71(1):1-6. doi: 10.1016/s0376-8716(03)00038-3.Drug Alcohol Depend. 2003.PMID: 12821200