Inhibition of the 3′ to 5′ exonuclease activity of mammalian DNA polymerase δ by 3′-azido-3′-deoxythymidine 5′-monophosphate (AZTMP) : E.G. Bridges∗, A.G. So#, C.K. Tan#, and J.P. Sommadossi∗, ∗Dept. of Pharmacology, Univ. of Alabama at Birmingham, B'ham AL; #Department of Medicine, Univ. of Miami School of Medicine, Miami, FL , USA