Zidovudine-didanosine coexposure potentiates DNA incorporation of zidovudine and mutagenesis in human cells. - Meng,Q.; Walker,D.M.; Olivero,O.A.; Shi,X.; Antiochos,B.B.; Poirier,M.C.; Walker,V.E. (Proc Natl Acad Sci USA, 2000)