For citations:

Kashtalyan O.A., Prystrom M.S. Echocardiography indices, heart rate variability and cytokine profile in pregnant women. "Arterial’naya Gipertenziya" ("Arterial Hypertension"). 2009;15(5):585-589. (In Russ.) https://doi.org/10.18705/1607-419X-2009-15-5-585-589