DART MASS SPECTROMETRY: A FAST SCREENING OF SOLID PHARMACEUTICALS FOR THE PRESENCE OF AN ACTIVE INGREDIENT, AS AN ALTERNATIVE FOR IR SPECTROSCOPY Статья Chernetsova E.S., Bochkov P.O., Ovcharov M.V., Zhokhov S.S., Abramovich R.A. Drug Testing and Analysis. Том 2. 2010. С. 292-294