Stem cell sources and characterization in the development of cell-based products for treating retinal disease: An NEI Town Hall report oleh Ashley M. Fortress, Kiyoharu J. Miyagishima, Amberlynn A. Reed, Sally Temple, Dennis O. Clegg, Budd A. Tucker, Timothy A. Blenkinsop, George Harb, Thomas N. Greenwell, Tenneille E. Ludwig, Kapil Bharti