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Calsyn DA, Saxon AJ, Freeman G Jr, Whittaker S.Calsyn DA, et al. Among authors: whittaker s.Am J Public Health. 1992 Apr;82(4):573-5. doi: 10.2105/ajph.82.4.573.Am J Public Health. 1992.PMID: 1546776Free PMC article.Clinical Trial.
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Calsyn DA, Saxon AJ, Freeman G Jr, Whittaker S.Calsyn DA, et al. Among authors: whittaker s.NIDA Res Monogr. 1990;105:482-3.NIDA Res Monogr. 1990.PMID: 1876091No abstract available.
Calsyn DA, Freeman G Jr, Saxon AJ, Whittaker S.Calsyn DA, et al. Among authors: whittaker s.NIDA Res Monogr. 1989;95:417.NIDA Res Monogr. 1989.PMID: 2641016No abstract available.