Cita APA

Karadi, R. L. (2006). Sildenafil is useful in pulmonary arterial hypertension. BMJ Group.

Chicago Style Citation

Karadi, R L. Sildenafil Is Useful in Pulmonary Arterial Hypertension. BMJ Group, 2006.

Cita MLA

Karadi, R L. Sildenafil Is Useful in Pulmonary Arterial Hypertension. BMJ Group, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.