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Heber U, Boardman NK, Anderson JM.Heber U, et al. Among authors: boardman nk.Biochim Biophys Acta. 1976 Feb 16;423(2):275-92. doi: 10.1016/0005-2728(76)90185-7.Biochim Biophys Acta. 1976.PMID: 1247612