Mahdi, Salam A., Najeeb H. Mohammed, and Hilal B. AL-Saffar. 2010. “The Effect of Valsalva Maneuver on Diastolic Filling Indices in Patients With Essential Hypertension”. Journal of the Faculty of Medicine Baghdad 52 (1): 13-18. https://doi.org/10.32007/jfacmedbagdad.5211038.