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Davidsen HG, Fredens M, Jorgensen F, Lomholt P, Lyngborg KE, Moller I, Pedersen-Bjergaard O, Wennevold A.Davidsen HG, et al.Dan Med Bull. 1971 Jan;18:Suppl 2:37-48.Dan Med Bull. 1971.PMID: 5546617No abstract available.