Weekly high-dose calcitriol and docetaxel in patients with metastatic hormone-refractory prostate cancer previously exposed to docetaxel - Petrioli, R; Pascucci, A; Francini, E; Marsili, S; Sciandivasci, A; De Rubertis, G; Barbanti, G; Manganelli, A; Salvestrini, F; Francini, G (BJU Int, 2007)