Efficient retroviral infection of mammalian cells is blocked by inhibition of poly(ADP-ribose) polymerase activity. by Gäken, J, Tavassoli, M, Gan, S, Vallian, S, Giddings, I, Darling, D, Galea-Lauri, J, Thomas, MG, Abedi, H, Schreiber, V, Ménissier-de Murcia, J, Collins, M, Shall, S, Farzaneh, F