“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”, PPCR, vol. 6, no. 1, pp. 15–22, May 2020, Accessed: Apr. 12, 2025. [Online]. Available: https://journal.ppcr.org/index.php/ppcrjournal/article/view/99