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Norman DA, Fordtran JS, Brinkley LJ, Zerwekh JE, Nicar MJ, Strowig SM, Pak CY.Norman DA, et al. Among authors: brinkley lj.J Clin Invest. 1981 Jun;67(6):1599-603. doi: 10.1172/jci110194.J Clin Invest. 1981.PMID: 7240409Free PMC article.