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[Heart valve replacement in patients 70 years and older].
Düren DR, Romijn KH, Henselmans MJ, Meyne NG, Dunning AJ. Düren DR, et al. Among authors: romijn kh. Ned Tijdschr Geneeskd. 1986 Feb 8;130(6):261-4. Ned Tijdschr Geneeskd. 1986. PMID: 3485257 Dutch. No abstract available.