@book{40779,
	author = {Sidra Ashraf (15433)},
	title = {Effects of postural drainage and deep breathing exercises on dyspnea, oxygen saturation and level of exertion in elderly post covid-19 patients},
	publisher = {(unpublished)},
	year = {2021},
	address = {Lahore},
	note = {In partial fulfillment of requirements for the award of degree of master of science of cardiopulmonary physical therapy.}
}