1.
Molaei A, Aarabi Mogaddam MY, Nakhostin Davari P, Shahmohammadi A, Meraji M. Validity of Sildenafil Test in Patients with Pulmonary Arterial Hypertension Associated with Congenital Heart Disease According to Clinical and Echocardiographic Parameters. J Tehran Heart Cent. 1;4(2):103-108.