LUZON-SOLANAS, Lara et al. The safety of deep sedation with propofol controlled by the endoscopist in endoscopic retrograde cholangiopancreatography (ERCP): a prospective study in a tertiary hospital. Rev. esp. enferm. dig. [online]. 2018, vol.110, n.4, pp.217-222. ISSN 1130-0108.