Sample size requirements for studies of treatment effects on beta-cell function in newly diagnosed type 1 diabetes.
Lachin JM, McGee PL, Greenbaum CJ, Palmer J, Pescovitz MD, Gottlieb P, Skyler J. Sample size requirements for studies of treatment effects on beta-cell function in newly diagnosed type 1 diabetes. PLoS One. 2011; 6(11):e26471.