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Vohra A, Saiz E, Ratzan KR.Vohra A, et al. Among authors: ratzan kr.Lancet. 1997 Sep 27;350(9082):928. doi: 10.1016/S0140-6736(97)05261-6.Lancet. 1997.PMID: 9314872No abstract available.
Campo RE, Ratzan KR, Melnick SJ.Campo RE, et al. Among authors: ratzan kr.South Med J. 1994 Feb;87(2):233-5. doi: 10.1097/00007611-199402000-00017.South Med J. 1994.PMID: 8115890
Uttamchandani RB, Trigo LM, Poppiti RJ Jr, Rozen S, Ratzan KR.Uttamchandani RB, et al. Among authors: ratzan kr.South Med J. 1989 Oct;82(10):1288-91. doi: 10.1097/00007611-198910000-00024.South Med J. 1989.PMID: 2678504Review.