APA

Haydar H. S., He G. W., Hovaguimian H., McIrvin D. M., King D. H. & Starr A. (19970612). Valve repair for aortic insufficiency: surgical classification and techniques. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Chicago

Haydar H S, He G W, Hovaguimian H, McIrvin D M, King D H and Starr A. 19970612. Valve repair for aortic insufficiency: surgical classification and techniques. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

Harvard

Haydar H. S., He G. W., Hovaguimian H., McIrvin D. M., King D. H. and Starr A. (19970612). Valve repair for aortic insufficiency: surgical classification and techniques. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery.

MLA

Haydar H S, He G W, Hovaguimian H, McIrvin D M, King D H and Starr A. Valve repair for aortic insufficiency: surgical classification and techniques. : European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery. 19970612.