Klein, H. M., A. Ghodsizad, R. Marktanner, L. Poll, T. Voelkel, M. R. Mohammad Hasani, C. Piechaczek, N. Feifel, M. Stockschlaeder, E. R. Burchardt, B. J. Kar, I. Gregoric, and E. Gams. “Intramyocardial Implantation of CD133<sup>+</Sup> Stem Cells Improved Cardiac Function Without Bypass Surgery”. The Heart Surgery Forum, vol. 10, no. 1, Dec. 2006, pp. E66-E69, doi:10.1532/HSF98.20061054.