https://www.selleckchem.com/pr....oducts/z-yvad-fmk.ht
optimization of the process of EK and quality evaluation of other similar toxic Chinese herbal medicines.A highly sensitive and accurate electrospray liquid chromatography tandem-mass spectrometry (ESI-LC-MS/MS) method for determination of testosterone in human serum and saliva was developed and validated. Accurate quantification of testosterone in human matrices is essential in diagnosis and management of androgen status in men, women and children, and in forensic investigations of suspected abuse of anabolic androgenic steroids. Ch