In vitro study of chondrocyte redifferentiation with lentiviral vector-mediated transgenic TGF-β3 and shRNA suppressing type I collagen in three-dimensional culture # w! S7 W0 v) |" [http://onlinelibrary.wiley.com/doi/10.1002/term.425/abstract;jsessionid=901F0233617C07EA6271795B446D1B5A.d01t02