Ahmed Sayed Ahmed El Shamy, Mohamed Ramadan El-Fishawy, Usama Gaber Abdalla 2021. Outcomes of Arthroscopic Microfracture Technique with Platelet-Rich Plasma (PRP) Injections in the Treatment of chondral ulcers of the knee joint. Journal of Population Therapeutics and Clinical Pharmacology. 28, 2 (Dec. 2021), 254–262. DOI:https://doi.org/10.53555/jptcp.v28i2.5250.