1·Using foam rubber 17-ketosteroid (17-KS) and 17-hydroxycorticosteroid (17-OHCS) were separated and collected in urine.
用聚氨脂海绵对人尿内17-酮类固醇（17-KS）和17-羟皮质类固醇（17-OHCS）进行分离和富集。