Effects of triiodothyronine on the morphology of cells and matrix, the localization of alkaline phosphatase, and the frequency of apoptosis in long-term cultures of MC3 T3-E1 cells - Fratzl-Zelman, N; Horandner, H; Luegmayr, E; Varga, F; Ellinger, A; Erlee, M P; Klaushofer, K (Bone, 1997)