Möller, J. Carsten, Christian R. Baumann, Pierre R. Burkhard, Alain Kaelin-Lang, Irène Küng, Koray Onuk, and Stephan Bohlhalter. “Characterisation of Advanced Parkinson’s Disease: OBSERVE-PD Observational Study – Results of the Swiss Subgroup”. Swiss Medical Weekly 151, no. 0910 (March 6, 2021): w20419. Accessed October 7, 2024. https://smw.ch/index.php/smw/article/view/2975.