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Bastow MD, Rawlings J, Allison SP.Bastow MD, et al. Among authors: allison sp.Br Med J (Clin Res Ed). 1983 Nov 26;287(6405):1589-92.Br Med J (Clin Res Ed). 1983.PMID: 6416514Free PMC article.Clinical Trial.
Fellows IW, Bastow MD, Byrne AJ, Allison SP.Fellows IW, et al. Among authors: allison sp.Br Med J (Clin Res Ed). 1983 Dec 17;287(6408):1835-7. doi: 10.1136/bmj.287.6408.1835.Br Med J (Clin Res Ed). 1983.PMID: 6322902Free PMC article.