For citations:
Alokova F.Kh., Blinova E.V., Sakhnova T.A., Arkhipova O.A., Ryabykina G.V., Saidova M.A., Martynyuk T.V., Chazova I.Ye. Changes of the electrocardiogram in 12 leads in patients with idiopathic pulmonary hypertension. Medical alphabet. 2018;4(36):29-35. (In Russ.)