The Effect of Single vs Serial Platelet-Rich Plasma Injections in Osteochondral Lesions Treated With Microfracture: An In Vivo Rabbit Model. - Yasui, Youichi; Dankert, John F.; Tonogai, Ichiro; Mercer, Nathaniel P.; Goodale, Margaret B.; Fortier, Lisa A.; Kennedy, John G. (American Journal of Sports Medicine, 2021)