Tonsil-derived mesenchymal stem cells enhance allogeneic bone marrow engraftment via collagen IV degradation. - Lee, Hyun-Ji; Kim, Yu-Hee; Choi, Da-Won; Cho, Kyung-Ah; Park, Joo-Won; Shin, Sang-Jin; Jo, Inho; Woo, So-Youn; Ryu, Kyung-Ha (Stem Cell Research & Therapy, 2021)