Defining phenotypic and functional heterogeneity of glioblastoma stem cells by mass cytometry oleh Luciano Galdieri, Arijita Jash, Olga Malkova, Diane D. Mao, Patrick DeSouza, Yunli E. Chu, Amber Salter, Jian L. Campian, Kristen M. Naegle, Cameron W. Brennan, Hiroaki Wakimoto, Stephen T. Oh, Albert H. Kim, Milan G. Chheda