Gloy V, McLennan S, Rinderknecht M, Ley B, Meier B, Driessen S, Gervasoni P, Hirschel B, Benkert P, Gilles I, von Elm E, Briel M. Uncertainties about the need for ethics approval in Switzerland: a mixed-methods study. Swiss Med Wkly [Internet]. 2020 Aug. 12 [cited 2024 May 7];150(3334):w20318. Available from: https://smw.ch/index.php/smw/article/view/2852