Retraction concerning the E2 protein of human papillovirus type 16: Overexpression and purification of an active transcriptional regulator [Lees, M. E., Dreissen, H. P. C., Crawford, L. V. & Clarke, A. R. (1990) Eur. J. Biochem. 190, 85–92.] - LEES - 2005 - European Journal of Biochemistry