@article{article, title = {{Use of Pulsed-Wave Doppler Echocardiography to Measure Changes in MPAP}}, publisher = {{Elsevier BV}}, url = {{}}, year = {{1997}}, month = {{1}}, author = {{Morrell NW}}, doi = {{10.1378/chest.111.5.1469}}, volume = {{111}}, journal = {{Chest}}, issue = {{5}}, pages = {{1469-1470}}, note = {{Accessed on 2025/05/22}}}