APA (7th ed.) Citation

Petrus, A. H. J., Klautz, R. J. M., De Bonis, M., Langer, F., Schäfers, H., Wakasa, S., . . . Braun, J. (2019). The optimal treatment strategy for secondary mitral regurgitation: A subject of ongoing debate. European journal of cardio-thoracic surgery, 56(4), 631-642. https://doi.org/10.1093/ejcts/ezz238

Chicago Style (17th ed.) Citation

Petrus, Annelieke H J., et al. "The Optimal Treatment Strategy for Secondary Mitral Regurgitation: A Subject of Ongoing Debate." European Journal of Cardio-thoracic Surgery 56, no. 4 (2019): 631-642. https://doi.org/10.1093/ejcts/ezz238.

MLA (9th ed.) Citation

Petrus, Annelieke H J., et al. "The Optimal Treatment Strategy for Secondary Mitral Regurgitation: A Subject of Ongoing Debate." European Journal of Cardio-thoracic Surgery, vol. 56, no. 4, 2019, pp. 631-642, https://doi.org/10.1093/ejcts/ezz238.