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Oetting ER, Swaim RC, Edwards RW, Beauvais F.Oetting ER, et al. Among authors: swaim rc.Am J Drug Alcohol Abuse. 1989;15(2):153-72. doi: 10.3109/00952998909092718.Am J Drug Alcohol Abuse. 1989.PMID: 2729224
Dieterich SE, Stanley LR, Swaim RC, Beauvais F.Dieterich SE, et al. Among authors: swaim rc.J Prim Prev. 2013 Aug;34(4):209-19. doi: 10.1007/s10935-013-0311-6.J Prim Prev. 2013.PMID: 23754535Free PMC article.