Ectopic expression of delta FBJ murine osteosarcoma viral oncogene homolog B mediates transdifferentiation of adipose-like spheroids into osteo-like microtissues - Diaz Sanchez-Bustamante, C; Kelm, J M; Egermann, M; Djonov, V; Fussenegger, M (Tissue Eng Part A, 2008)