Digital.CSIC. Repositorio Institucional del CSIC instname Cashman, K D, Kiely, M E, Andersen, R, Grønborg, I M, Madsen, K H, Nissen, J, Tetens, I, Tripkovic, L, Lanham-New, S A, Toxqui, L, Vaquero, M P, Trautvetter, U, Jahreis, G, Mistry, V V, Specker, B L, Hower, J, Knoll, A, Wagner, D, Vieth, R, Öhlund, I, Karlsland Åkeson, P, Brett, N R, Weiler, H A & Ritz, C 2021, ' Individual participant data (IPD)-level meta-analysis of randomised controlled trials with vitamin D-fortified foods to estimate Dietary Reference Values for vitamin D ', European Journal of Nutrition, vol. 60, no. 2, pp. 939-959 . https://doi.org/10.1007/s00394-020-02298-x Cashman, K D, Kiely, M E, Andersen, R, Grønborg, I M, Madsen, K H, Nissen, J, Tetens, I, Tripkovic, L, Lanham-New, S A, Toxqui, L, Vaquero, M P, Trautvetter, U, Jahreis, G, Mistry, V V, Specker, B L, Hower, J, Knoll, A, Wagner, D, Vieth, R, Öhlund, I, Karlsland Åkeson, P, Brett, N R, Weiler, H A & Ritz, C 2021, ' Individual participant data (IPD)-level meta-analysis of randomised controlled trials with vitamin D-fortified foods to estimate Dietary Reference Values for vitamin D ', European Journal of Nutrition, vol. 60, pp. 939–959 . https://doi.org/10.1007/s00394-020-02298-x