Human cardiosphere-derived cells from patients with chronic ischaemic heart disease can be routinely expanded from atrial but not epicardial ventricular biopsies. - Chan HH; Meher Homji Z; Gomes RS; Sweeney D; Thomas GN; Tan JJ; Zhang H; Perbellini F; Stuckey DJ; Watt SM; Taggart D; Clarke K; et al. (Journal of cardiovascular translational research, 2012)