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Retra K, Bleijerveld OB, van Gestel RA, Tielens AG, van Hellemond JJ, et al. (2008) A simple and universal method for the separation and identification of phospholipid molecular species. Rapid Commun Mass Spectrom 22: 1853–1862. PLoS ONE | www.plosone.org 11 April 2012 | Volume 7 | Issue 4 | e34945