A. K.  Ranjan, Kumar, U., Hardikar, A. A., Poddar, P., Nair, P. D., and Hardikar, A. A., ?Human blood vessel-derived endothelial progenitors for endothelialization of small diameter vascular prosthesis?, Plos One, vol. 4, no. 11, p. Article Number: e7718, 2009.