Coates, M. & Thompson, J. & Tate, M.E. (1979)
Isolation of O-Phosphorylethanolamine from the Erythrocytes of an Elasmobranch (the Southern Fiddler Rav - Trygonorhina fasciata guanerius)
Journal of Experimental Zoology, 210, 489–496 DOI: 10.1002/jez.1402100311