For citations:
Yanulevich O.S., Ivanov S.N., Kovalyov I.A., Krivoschyokov Ye.V., Filippov G.P. Pharmacological test with sildenafil at pulmonary hypertension assessing in children with congenital heart diseases. Bulletin of Siberian Medicine. 2010;9(5):117-120. (In Russ.) https://doi.org/10.20538/1682-0363-2010-5-117-120