case_images: PMC8694569_01
case_images: Flow diagram summarizing literature search, screening and review. PRP: Platelet-rich plasma.
case_images: nihms-1754580-f0004.jpg
case_images: PMC8694569_01_nihms-1754580-f0004.jpg
case_images: F4
case_images: The results of the literature search and study selection process are shown in Figure 4.