Pender C, Goldfine ID, Kulp JL, Tanner CJ, Maddux BA, MacDonald KG, Houmard JA, Youngren JF. Analysis of Insulin-stimulated Insulin Receptor Activation and Glucose Transport in Cultured Skeletal Muscle Cells from Obese Subjects. Metabolism. 2005 May; 54(5):598-603.