M. Mžika, N. Váňová, M. Kriegelstein, M. Hroch, Differential adsorption of an analyte and its D4, D5 and 13C6 labeled analogues combined with instrument-specific carry-over issues: The Achilles' heel of ibrutinib TDM, Journal of Pharmaceutical and Biomedical Analysis 206 (2001). Ссылка на статью.