APA

Langer N. B., Ando M., Simpson M., van Boxtel B. S., Sorabella R. A., Patel V., George I., Smith C. R. & Takayama H. (20200219). Influence of left ventricular ejection fraction on morbidity and mortality after aortic root replacement. : The Journal of thoracic and cardiovascular surgery.

Chicago

Langer Nathaniel B, Ando Masahiko, Simpson Michael, van Boxtel Benjamin S, Sorabella Robert A, Patel Virendra, George Isaac, Smith Craig R and Takayama Hiroo. 20200219. Influence of left ventricular ejection fraction on morbidity and mortality after aortic root replacement. : The Journal of thoracic and cardiovascular surgery.

Harvard

Langer N. B., Ando M., Simpson M., van Boxtel B. S., Sorabella R. A., Patel V., George I., Smith C. R. and Takayama H. (20200219). Influence of left ventricular ejection fraction on morbidity and mortality after aortic root replacement. : The Journal of thoracic and cardiovascular surgery.

MLA

Langer Nathaniel B, Ando Masahiko, Simpson Michael, van Boxtel Benjamin S, Sorabella Robert A, Patel Virendra, George Isaac, Smith Craig R and Takayama Hiroo. Influence of left ventricular ejection fraction on morbidity and mortality after aortic root replacement. : The Journal of thoracic and cardiovascular surgery. 20200219.