title: Letter: Separation of PGE1 and PGE2 using LH-20 columns.
mesh_terms: D002850:Chromatography, Gel / Q000379:methods*; D011458:Prostaglandins E / Q000302:isolation & purification*; D011460:Prostaglandins F / Q000302:isolation & purification
chemical_list: D011458:Prostaglandins E; D011460:Prostaglandins F