THE PULMONARY ARTERIAL HYPERTENSION ASSOCIATED WITH VENTRICULAR SEPTAL DEFECTS: A SINGLE-CENTRE EXPERIENCE IN THE REPUBLIC OF KAZAKHSTAN. Medicine [Internet]. 2020 Jun. 20 [cited 2026 Jul. 5];1(1):45-50. Available from: https://appmed.kaznu.kz/index.php/medicine/article/view/14