García-Sanz, R., Oriol, A., Moreno, M. J., de la Rubia, J., Payer, A. R., Hernández, M. T., Palomera, L., Teruel, A. I., Blanchard, M. J., Gironella, M., Ribas, P., Bargay, J., Abellá, E., Granell, M., Ocio, E. M., Ribera, J. M., San Miguel, J. F. and Mateos, M. V. (2015) “Zoledronic acid as compared with observation in multiple myeloma patients at biochemical relapse: results of the randomized AZABACHE Spanish trial”, Haematologica. Pavia, Italy, 100(9), pp. 1207-1213. doi: 10.3324/haematol.2015.128439.