TY - GEN AU - De Marco,A AU - Mecarelli,E TI - [Column chromatography separation of 4 steroids] SN - 0006-6648 PY - 1971///0415 KW - Acetone KW - Chemistry, Pharmaceutical KW - Chloroform KW - Chromatography, Ion Exchange KW - Ion Exchange Resins KW - Methanol KW - Methods KW - Solvents KW - Spectrophotometry KW - Steroids KW - isolation & purification N1 - Publication Type: Journal Article ER -