Title : Simultaneous quantification of soman and VX adducts to butyrylcholinesterase, their aged methylphosphonic acid adduct and butyrylcholinesterase in plasma using an off-column procainamide-gel separation method combined with UHPLC-MS\/MS - Liu_2016_J.Chromatogr.B.Analyt.Technol.Biomed.Life.Sci_1036-1037_57