Sticherling C, Schaer B, Coenen M, Kühne M, Ammann P, Osswald S. Cardiac resynchronization therapy in chronic heart failure. Swiss Med Wkly [Internet]. 2006 Oct. 7 [cited 2024 Jun. 17];136(3940):611-. Available from: https://smw.ch/index.php/smw/article/view/651