Phosphoproteome Analysis of Cardiomyocytes Subjected to β-Adrenergic Stimulation: Identification and Characterization of a Cardiac Heat Shock Protein p20 - Guoxiang Chu; Gregory F. Egnaczyk; Wen Zhao; Su-Hyun Jo; Guo-Chang Fan; John E. Maggio; Rui-Ping Xiao; Evangelia G. Kranias (Circulation Research, 2004)