Citation: Ct. Burt et H. Ribolow, GLYCEROL PHOSPHORYLCHOLINE (GPC) AND SERINE ETHANOLAMINE PHOSPHODIESTER (SEP) - EVOLUTIONARY MIRRORED METABOLITES AND THEIR POTENTIAL METABOLIC ROLES, Comparative biochemistry and physiology. B. Comparative biochemistry, 108(1), 1994, pp. 11-20