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Schumann A, Meyer C, Rumpf HJ, Hapke U, John U.Schumann A, et al.Prev Med. 2002 Oct;35(4):326-33. doi: 10.1006/pmed.2002.1085.Prev Med. 2002.PMID: 12453709
Meyer C, Rumpf HJ, Schumann A, Hapke U, John U.Meyer C, et al. Among authors: schumann a.Addiction. 2003 Aug;98(8):1101-10. doi: 10.1046/j.1360-0443.2003.00475.x.Addiction. 2003.PMID: 12873244
John U, Meyer C, Hapke U, Rumpf HJ, Schumann A.John U, et al. Among authors: schumann a.Prev Med. 2004 Mar;38(3):350-8. doi: 10.1016/j.ypmed.2003.11.003.Prev Med. 2004.PMID: 14766119
John U, Meyer C, Hanke M, Völzke H, Schumann A.John U, et al. Among authors: schumann a.BMC Public Health. 2006 Feb 27;6:48. doi: 10.1186/1471-2458-6-48.BMC Public Health. 2006.PMID: 16504155Free PMC article.
John U, Meyer C, Rumpf HJ, Hapke U, Schumann A.John U, et al. Among authors: schumann a.Am J Addict. 2006 Mar-Apr;15(2):192-7. doi: 10.1080/10550490500528738.Am J Addict. 2006.PMID: 16595359
Schumann A, John U, Thyrian JR, Ulbricht S, Hapke U, Meyer C.Schumann A, et al.Eur J Public Health. 2006 Oct;16(5):513-9. doi: 10.1093/eurpub/ckl048. Epub 2006 May 3.Eur J Public Health. 2006.PMID: 16672250
Schumann A, John U, Rumpf HJ, Hapke U, Meyer C.Schumann A, et al.Prev Med. 2006 Aug;43(2):101-6. doi: 10.1016/j.ypmed.2006.04.003. Epub 2006 May 18.Prev Med. 2006.PMID: 16709427Clinical Trial.