“…General surveys of steroid chromatography have been written by Heftmann and Wotiz (770) and by Seki (1834). PC was reviewed by Siblikova (1871) and TLC by several other authors (736,769,1413,1988,2049,2108). More specialized applications which have been reviewed follow: chromatography of sterols (335), of cholesterol and its esters (957), and of bile acids (1892); TLC of bile acids (807,965), of steroid hormones (849), and of adrenocortical hormones (1428); PC of steroid glycosides (915) and of digitalis glycosides (2218); TLC of sapogenins (1714), cardenolides (1464), and bufadienolides (1468).…”