title: Polymorphism of phosphatidylethanolamines from two natural sources.
mesh_terms: D000818:Animals; D002845:Chromatography; D002848:Chromatography, DEAE-Cellulose; D002849:Chromatography, Gas; D002855:Chromatography, Thin Layer; D004175:Diptera; D004912:Erythrocytes / Q000032:analysis; D005227:Fatty Acids / Q000032:analysis; D005228:Fatty Acids, Essential / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D007814:Larva; D008433:Mathematics; D010714:Phosphatidylethanolamines / Q000032:analysis / Q000302:isolation & purification; D013552:Swine; D013696:Temperature; D014867:Water; D014961:X-Ray Diffraction
chemical_list: D005227:Fatty Acids; D005228:Fatty Acids, Essential; D010714:Phosphatidylethanolamines; D014867:Water