Xeno-free cryopreservation of adherent retinal pigmented epithelium yields viable and functional cells in vitro and in vivo oleh Britney O. Pennington, Jeffrey K. Bailey, Mohamed A. Faynus, Cassidy Hinman, Mitchell N. Hee, Rory Ritts, Vignesh Nadar, Danhong Zhu, Debbie Mitra, Juan Carlos Martinez-Camarillo, Tai-Chi Lin, Biju B. Thomas, David R. Hinton, Mark S. Humayun, Jane Lebkowski, Lincoln V. Johnson, Dennis O. Clegg