Quantitation of selenomethionine in multivitamins and selenium supplements by high performance liquid chromatography inductively-coupled plasma Mass Spectrometry - LeBlanc, Kelly L; Kawamoto, Mayumi Silva; Mai Le, Phuong; Grinberg, Patricia; Nadeau, Kenny; Yang, Lu; Nogueira, Ana Rita de Araujo; Mester, Zoltán (Food Analytical Methods, 2019)