Fagotti, L., Balbino, M., Bispo Gonzalez Truffa, T., Susanna, C., Calvo-Marin, J., M Fuentes B, J.C., Carrasco Rueda, J.M. and Villares da Costa, L.G. 2016. A Randomized Double-Blinded Superiority Trial to Compare the Efficacy of Vitamin D3 and Calcium versus placebo in Prevention of Hip Fractures in Elderly Women. Principles and Practice of Clinical Research. 2, 1 (Mar. 2016).