Yi L, Tsai C-F, Dirice E, Swensen AC, Chen J, Shi T, Gritsenko MA, Chu RK, Piehowski PD, Smith RD, et al. Boosting to Amplify Signal with Isobaric Labeling (BASIL) Strategy for Comprehensive Quantitative Phosphoproteomic Characterization of Small Populations of Cells. Analytical chemistry. 2019;91(9):5794–5801.