Purification of some tricarboxylic acid cycle enzymes from beef heart using affinity elution chromatography Davies, J.R.; Scopes, R.K. Analytical Biochemistry 114(1): 19-27 1981 0003-2697 10.1016/0003-2697(81)90444-9 https://eurekamag.com/research/006/233/006233646.php