The immediate meniscal allograft transplantation achieved better chondroprotection and less meniscus degeneration than the conventional delayed transplantation in the long-term. - Wang, Ding-yu; Lee, Cassandra A.; Zhang, Bo; Li, Yan-zhang; Meng, Xiang-yu; Jiang, Dong; Yu, Jia-kuo (Knee Surgery, Sports Traumatology, Arthroscopy, 2022)