APA (7th ed.) Citation

F, H., F, R., A, H., & S, R. (2023). A functioning Björk-Shiley aortic valve after 36 years without anticoagulation. Interdisciplinary cardiovascular and thoracic surgery, 36(2), . https://doi.org/10.1093/icvts/ivad029

Chicago Style (17th ed.) Citation

F, Helms, Rosebrock F, Haverich A, and Rustum S. "A Functioning Björk-Shiley Aortic Valve After 36 Years Without Anticoagulation." Interdisciplinary Cardiovascular and Thoracic Surgery 36, no. 2 (2023). https://doi.org/10.1093/icvts/ivad029.

MLA (9th ed.) Citation

F, Helms, et al. "A Functioning Björk-Shiley Aortic Valve After 36 Years Without Anticoagulation." Interdisciplinary Cardiovascular and Thoracic Surgery, vol. 36, no. 2, 2023, https://doi.org/10.1093/icvts/ivad029.