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Alm J, Hagenfeldt L, Larsson A, Lundberg K.Alm J, et al.Br Med J (Clin Res Ed). 1984 Nov 3;289(6453):1171-5. doi: 10.1136/bmj.289.6453.1171.Br Med J (Clin Res Ed). 1984.PMID: 6437473Free PMC article.
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