For citations:

Arkhipova Y.I., Churina S.K. Coronary reserve and myocardial contractility before and after direct myocardial revascularization. "Arterial’naya Gipertenziya" ("Arterial Hypertension"). 2004;10(3):160-162. (In Russ.) https://doi.org/10.18705/1607-419X-2004-10-3-160-162