Influence of genetic polymorphisms on arsenic methylation efficiency during pregnancy: Evidence from a Spanish birth cohort - Soler-Blasco R; Harari F; Riutort-Mayol G; Murcia M; Lozano M; Irizar A; Marina LS; Zubero MB; Fernández-Jimenez N; Braeuer S; Ballester F; Llop S (Science Of The Total Environment, 2023)