APA

Abdelnoor M., Hall K. V., Nitter-Hauge S., Lindberg H. & Ovrum E. (19870318). Prognostic factors in aortic valve replacement associated with narrow aortic roots. An analysis using the proportional hazard model. : Scandinavian journal of thoracic and cardiovascular surgery.

Chicago

Abdelnoor M, Hall K V, Nitter-Hauge S, Lindberg H and Ovrum E. 19870318. Prognostic factors in aortic valve replacement associated with narrow aortic roots. An analysis using the proportional hazard model. : Scandinavian journal of thoracic and cardiovascular surgery.

Harvard

Abdelnoor M., Hall K. V., Nitter-Hauge S., Lindberg H. and Ovrum E. (19870318). Prognostic factors in aortic valve replacement associated with narrow aortic roots. An analysis using the proportional hazard model. : Scandinavian journal of thoracic and cardiovascular surgery.

MLA

Abdelnoor M, Hall K V, Nitter-Hauge S, Lindberg H and Ovrum E. Prognostic factors in aortic valve replacement associated with narrow aortic roots. An analysis using the proportional hazard model. : Scandinavian journal of thoracic and cardiovascular surgery. 19870318.