Lack of biological activity of vitamin D3-3β sulfate during lactation in vitamin D-deficient rats Leonor CANCELA, P. J. MARIE, Noélie LE BOULCH and Livia MIRAVETReprod. Nutr. Dévelop., 27 6 (1987) 979-997DOI: https://doi.org/10.1051/rnd:19870802