Ballini , A. ., L. Signorini, A. D. . Inchingolo, R. . Saini, A. . Gnoni, S. . Scacco, S. . . Cantore, G. . Dipalma, F. . . Inchingolo, and L. Santacroce. “Probiotics May Improve Serum Folate Availability in Pregnant Women: A Pilot Study”. Open Access Macedonian Journal of Medical Sciences, vol. 8, no. B, Oct. 2020, pp. 1124-30, doi:10.3889/oamjms.2020.5494.