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	1.	Direct study of left atrial P waves. [electronic resource] by Massumi, R Tawakkol, A A Producer: 19671022 In: The American journal of cardiology vol. 20 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Acute aortic dissection. Experiences in a community hospital. [electronic resource] by Tawakkol, A A Bacos, J M Producer: 19660305 In: The Medical annals of the District of Columbia vol. 34 Availability: No items available. Save to lists Add to cart (remove)
	3.	Transient normalization of intraventricular conduction in bundle-branch-block. [electronic resource] by Massumi, R A Tawakkol, A A Producer: 19661008 In: The Medical annals of the District of Columbia vol. 35 Availability: No items available. Save to lists Add to cart (remove)
	4.	Painless dissecting hematoma of the aorta. [electronic resource] by Tawakkol, A A O'Donnell, M Massumi, R A Producer: 19680510 In: Vascular surgery vol. 1 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	5.	Reevaluation of electrocardiographic and bedside criteria for diagnosis of ventricular tachycardia. [electronic resource] by Massumi, R A Tawakkol, A A Kistin, A D Producer: 19671214 In: Circulation vol. 36 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	6.	Termination of reciprocating tachycardia by atrial stimulation. [electronic resource] by Massumi, R A Kistin, A D Tawakkol, A A Producer: 19671214 In: Circulation vol. 36 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	A prospective study of digitalis toxicity in a large city hospital. [electronic resource] by Tawakkol, A A Nutter, D O Massumi, R A Producer: 19671119 In: The Medical annals of the District of Columbia vol. 36 Availability: No items available. Save to lists Add to cart (remove)
	8.	The audible sounds of atrial tachyarrhythmia. (Flutter?). [electronic resource] by Massumi, R A Hernandez, T Just, G Tawakkol, A A Producer: 19660829 In: Circulation vol. 33 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Time sequence of right and left atrial depolarization as a guide to the origin of the P waves. [electronic resource] by Massumi, R A Sarin, R K Tawakkol, A A Rios, J C Jackson, H Producer: 19690903 In: The American journal of cardiology vol. 24 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	10.	The scimitar syndrome. A physiologic explanation for the associated dextroposition of the heart, maldevelopment of the right lung and its artery, and for the systemic collateral supply to the lung. [electronic resource] by Massumi, R A Alwan, A O Hernandez, T J Just, H G Tawakkol, A A Producer: 19670727 In: The Journal of thoracic and cardiovascular surgery vol. 53 Availability: No items available. Save to lists Add to cart (remove)