Pilot implementation of the competence of Czech paramedics to administer sufentanil for the treatment of pain in acute trauma without consulting a physician: observational study. - Renza, Metodej; Sykora, Roman; Peran, David; Hricova, Kristina; Brizgalova, Nikola; Bakurova, Petra; Kukacka, Miloš (BMC Emergency Medicine, 2022)