Bone Marrow Aspirate Concentrate Does Not Improve Osseous Integration of Osteochondral Allografts for the Treatment of Chondral Defects in the Knee at 6 and 12 Months: A Comparative Magnetic Resonance Imaging Analysis. - Wang D; Lin KM; Burge AJ; Balazs GC; Williams RJ 3rd (The American journal of sports medicine, 2019)