“A Protocol for a Phase I II Trial to Evaluate Safety and Efficacy of Autologous Stem Cells Embedded in a Nanogel Patch for Patients With Heart Failure Undergoing Coronary Artery Bypass Graft”. Principles and Practice of Clinical Research, vol. 6, no. 1, May 2020, pp. 15-22, https://journal.ppcr.org/index.php/ppcrjournal/article/view/99.