Early life exposure to N-nitrosamine drives genotoxicity, mutagenesis, and tumorigenesis in DNA repair-deficient mice. - Volk LB; Norales M; Karjane C; Corrigan JJ; Alcaraz AJ; Pribyl LJ; Bugher NA; Blawas M; Dulski I; Arunachalam E; Gubina N; Michelsen E; et al. (Nature communications, 2026)