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Prescott EI, Osler M, Hein HO, Borch-Johnsen K, Schnohr P, Vestbo J.Prescott EI, et al. Among authors: schnohr p.Ugeskr Laeger. 1999 Mar 1;161(9):1261-3.Ugeskr Laeger. 1999.PMID: 10083822Danish.