Low folate status and related polymorphisms are associated with lower sperm quality in healthy men: The Led-Fertyl cross-sectional study.

Eigbefoh-Addeh A, Salas-Huetos A, Ramos-Rodríguez C, Santos-Calderón LA, Agarwal R, Salas-Salvadó J, Babio N, McCann A, Ueland PM, Murphy MM