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Steger AC, Spencer J.Steger AC, et al. Among authors: spencer j.Br Med J (Clin Res Ed). 1988 Jan 2;296(6614):3. doi: 10.1136/bmj.296.6614.3.Br Med J (Clin Res Ed). 1988.PMID: 3122921Free PMC article.No abstract available.