1.
Tschopp J, Dumont P, Hayoz D. True prevalence of COPD and its association with peripheral arterial disease in the internal medicine ward of a tertiary care hospital. Swiss Med Wkly [Internet]. 2017 Jul. 13 [cited 2024 Nov. 21];147(2728):w14460. Available from: https://smw.ch/index.php/smw/article/view/2325