“Analysis of Pentoxifylline Using Matrix-Assisted Laser Desorption Ionsation, Mass Spectrometry”. Sorbtsionnye i Khromatograficheskie Protsessy 11, no. 5 (November 26, 2019). Accessed April 3, 2026. https://journals.vsu.ru/sorpchrom/article/view/1972.