方法：标本用活性高岭土吸附尿内色素，以茶碱作内标，中性苯乙烯-二乙烯苯树脂微色谱柱吸附尿中1 7-OHCS。
Methods Pigments were absorbed from samples by activated kaolin in which the internal standard was theophyline. Urine 17-OHCS was absorbed by neutral styrene-divinylbenzene resin.
方法：标本用活性高岭土吸附尿内色素，以茶碱作内标，中性苯乙烯-二乙烯苯树脂微色谱柱吸附尿中1 7-OHCS。
Methods Pigments were absorbed from samples by activated kaolin in which the internal standard was theophyline. Urine 17-OHCS was absorbed by neutral styrene-divinylbenzene resin.
应用推荐