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Nicholls A, Hazleman B, Todd RM, Murray-Leslie C, Kühnen H, Cain AR.Nicholls A, et al. Among authors: kuhnen h.Curr Med Res Opin. 1982;8(3):204-7. doi: 10.1185/03007998209112385.Curr Med Res Opin. 1982.PMID: 7128194