Isoforms of cyclic AMP response element binding proteins in Drosophila S2 cells4408, Poels, J, Franssens V., Van Loy T., Martinez A.J., Suner M.M., Dunbar S.J., De Loof A., and J. Broeck Vanden , Biochem.Biophys.Res.Commun., 23/7/2004, Volume 320, Issue 2, Number 324, p.318 - 324, (2004)