Factors influencing the level of patients using the internet to gather information before anaesthesia: a single-centre survey of 815 patients in Switzerland : The internet for patient information before anaesthesia.
T WieserM P SteurerM SteurerAlexander DullenkopfPublished in: BMC anesthesiology (2017)
German Clinical Trials Register ( DRKS00005434 ; date of registration: 27th December 2013); date of enrolment of first patient: 1st August 2013; study retrospectively registered.