The hidden risk of ionizing radiation in the operating room: a survey among 258 orthopaedic surgeons in Brazil. - Pires, Robinson Esteves; Reis, Igor Guedes Nogueira; de Faria, Ângelo Ribeiro Vaz; Giordano, Vincenzo; Labronici, Pedro José; Belangero, William Dias (Patient Safety in Surgery, 2020)