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Kendell RE, de Roumanie M, Ritson EB.Kendell RE, et al. Among authors: ritson eb.Br J Addict. 1983 Dec;78(4):365-79. doi: 10.1111/j.1360-0443.1983.tb02525.x.Br J Addict. 1983.PMID: 6581824No abstract available.
Kendell RE, de Roumanie M, Ritson EB.Kendell RE, et al. Among authors: ritson eb.Br Med J (Clin Res Ed). 1983 Sep 17;287(6395):809-11. doi: 10.1136/bmj.287.6395.809.Br Med J (Clin Res Ed). 1983.PMID: 6412839Free PMC article.
Walton HJ, Ritson EB, Kennedy RI.Walton HJ, et al. Among authors: ritson eb.Br Med J. 1966 Nov 12;2(5523):1171-4. doi: 10.1136/bmj.2.5523.1171.Br Med J. 1966.PMID: 5921462Free PMC article.No abstract available.