Human mesenchymal stem cell-derived exosomes promote orderly cartilage regeneration in an immunocompetent rat osteochondral defect model - Shipin Zhang; Keng Lin Wong; Wern Cui Chu; Ruenn Chai Lai; James Hoi Po Hui; Eng Hin Lee; Sai Kiang Lim; Wei Seong Toh (Elsevier, 2016)