@inproceedings{inproceedings40a2172b,
title   = {Determination of steroid hormones in oral contraceptives by HPLC},
author = {Kassab, Nájla M and Hasegawa, Maya and Kedor-Hackmann, Erika Rosa Maria and Santoro, Maria Inês Rocha Miritello},
year = {2000},
booktitle   = {AOAC International Annual Meeting and Exposition}
}