For citations:
Ischuk T.N., Ratova L.G., Khorkova O.V. The system of professional qualifications in health care. "Arterial’naya Gipertenziya" ("Arterial Hypertension"). 2023;29(5):535-541. (In Russ.) https://doi.org/10.18705/1607-419X-2023-29-5-535-541. EDN: AUKBJO