Promising radiological outcome after repair of acetabular chondral defects by microfracture augmented with chitosan-based scaffold: mid-term T2 mapping evaluation. - Tahoun, Mahmoud Fathy; Tey, Marc; Ormazabal, Inmacolada; Elsayed, Amro Saber; Said, Hatem Galal; Monllau, Joan Carles (Knee Surgery, Sports Traumatology, Arthroscopy, 2021)