Zarkadis NJ, Belmont PJ, Zachilli MA, Holland CA, Kinsler AR, Todd MS, Pallis MP, Waterman BR. Autologous Chondrocyte Implantation and Tibial Tubercle Osteotomy for Patellofemoral Chondral Defects: Improved Pain Relief and Occupational Outcomes Among US Army Servicemembers. Am J Sports Med. 2018 11; 46(13):3198-3208.