Effects of Expanded Human Adipose Tissue-Derived Mesenchymal Stem Cells on the Viability of Cryopreserved Fat Grafts in the Nude Mouse - Myung-Soon Ko, Ji-Youl Jung, Il-Seob Shin, Eun-Wha Choi, Jae-Hoon Kim, Sung Keun Kang, Jeong Chan Ra (Ivyspring International Publisher, 2011)