Addition of radium-223 to abiraterone acetate and prednisone or prednisolone in patients with castration-resistant prostate cancer and bone metastases (ERA 223): a randomised, double-blind, placebo-controlled, phase 3 trial - Smith, Matthew; Parker, Chris; Saad, Fred; Miller, Kurt; Tombal, Bertrand; Ng, Quan Sing; Boegemann, Martin; Matveev, Vsevolod; Piulats, Josep Maria; Zucca, Luis Eduardo; Nahas, William Carlos (Lancet oncology, 2019)