Aplikace Simultaneous Determination of Estrogenic and Androgenic Hormones in Water by Isotope Dilution GC-Tandem MS using the Agilent 7000B Triple Quadrupole GCMS Stáhnout Simultaneous Determination of Estrogenic and Androgenic Hormones in Water by Isotope Dilution GC-Tandem MS using the Agilent 7000B Triple Quadrupole GCMS Stáhnout