Greer RC, Ameling JM, Cavanaugh KL, Jaar BG, Grubbs V, Andrews CE, Ephraim P, Powe NR, Lewis J, Umeukeje E, Gimenez L, James S, Boulware LE. Specialist and primary care physicians' views on barriers to adequate preparation of patients for renal replacement therapy: a qualitative study. BMC Nephrol. 2015 Mar 28; 16:37.