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Basta M, Kirshbom P, Frank MM, Fries LF.Basta M, et al. Among authors: frank mm.J Clin Invest. 1989 Dec;84(6):1974-81. doi: 10.1172/JCI114387.J Clin Invest. 1989.PMID: 2687331Free PMC article.
Brown EJ, Joiner KA, Frank MM.Brown EJ, et al. Among authors: frank mm.J Clin Invest. 1983 Jun;71(6):1710-9. doi: 10.1172/jci110925.J Clin Invest. 1983.PMID: 6863540Free PMC article.