Table 2.
Abbreviations: ABI, ankle brachial index; BMC, bone marrow cell; BM-MNC, bone marrow mononuclear cell; BM-MSC, bone marrow mesenchymal stem cell; CLI, critical limb ischemia; CPC, circulating blood-derived progenitor cell; EPC, endothelial progenitor cell; IA, intra-arterial injection; IM, intramuscular injection; PB-MNC, peripheral-blood mononuclear cell; VEGFR, vascular endothelial growth factor receptor.