Mawas, A. S., and E. E. Mahmoud. “Osteoarthritic Synovial Derived Stem Cells Augmented With Subchondral Drilling for Repair of Large Osteochondral Defects in Rabbit Model”. Journal of Advanced Veterinary Research, vol. 10, no. 1, Jan. 2020, pp. 13-16, https://advetresearch.com/index.php/AVR/article/view/413.