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.
استشهاد بنمط شيكاغوFrick, M H., P T. Harjola, و M. Valle. Effect of Aorto-coronary Grafts and Native Vessel Patency On the Occurrence of Angina Pectoris After Coronary Bypass Surgery. 1975.
MLA استشهادFrick, M H., P T. Harjola, و M. Valle. Effect of Aorto-coronary Grafts and Native Vessel Patency On the Occurrence of Angina Pectoris After Coronary Bypass Surgery. 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.