Selective on-line trace enrichment for the determination of ethynyl steroids in urine by liquid chromatography with precolumn technology.

Authors :: Nielen MW
van Soest RE
van Ingen HE
Farjam A
Frei RW
Brinkman UA
Source :: Journal of chromatography [J Chromatogr] 1987 Jun 05; Vol. 417 (1), pp. 159-67.
Publication Year :: 1987

Subjects :: Chemical Phenomena
Chemistry
Chromatography, High Pressure Liquid
Humans
Spectrophotometry, Ultraviolet
Ethinyl Estradiol urine
Norethindrone urine
Norgestrel urine

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