APA aipamena

Frick, M. H., Harjola, P. T., & Valle, M. (1975). Effect of aorto-coronary grafts and native vessel patency on the occurrence of angina pectoris after coronary bypass surgery.

Chicago Style aipamena

Frick, M H., P T. Harjola, and M. Valle. Effect of Aorto-coronary Grafts and Native Vessel Patency On the Occurrence of Angina Pectoris After Coronary Bypass Surgery. 1975.

MLA aipamena

Frick, M H., P T. Harjola, and M. Valle. Effect of Aorto-coronary Grafts and Native Vessel Patency On the Occurrence of Angina Pectoris After Coronary Bypass Surgery. 1975.