Klimkiewicz JJ, Samsell BJ, Riff A, DeBerardino TM, Moore MA. Comparison of human tendon allografts and autografts used in knee reconstruction. Curr Orthop Pract. 2011 Nov;22(6):494-502. doi: 10.1097/BCO.0b013e318236c466
Yang J, Eickbush TH. RNA-induced changes in the activity of the endonuclease encoded by the R2 retrotransposable element. Mol Cell Biol. 1998 Jun;18(6):3455-65.