Havens AM, Shiozawa Y, Jung Y, Sun H, Wang J, McGee S, Mishra A, Taichman LS, Danciu T, Jiang Y, Yavanian G, Leary E, Krebsbach PH, Rodgerson D, Taichman RS. Human very small embryonic-like cells generate skeletal structures, in vivo. Stem Cells Dev. 2013 Feb 15; 22(4):622-30.