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Loft DE, Marsh MN, Crowe PT.Loft DE, et al. Among authors: marsh mn.Lancet. 1990 Jun 2;335(8701):1293-5. doi: 10.1016/0140-6736(90)91183-b.Lancet. 1990.PMID: 1971374
Ensari A, Marsh MN, Moriarty KJ, Moore CM, Fido RJ, Tatham AS.Ensari A, et al. Among authors: marsh mn.Clin Sci (Lond). 1998 Oct;95(4):419-24.Clin Sci (Lond). 1998.PMID: 9748417