Vilpert S, Borrat-Besson C, Maurer J, Borasio GD. Awareness, approval and completion of advance directives in older adults in Switzerland. Swiss Med Wkly [Internet]. 2018 Jul. 29 [cited 2024 Jul. 17];148(2930):w14642. Available from: https://smw.ch/index.php/smw/article/view/2500