@book{31291,
	author = {Madiha Maryam (2350)},
	title = {Frequency of smokers in chronic bronchitis},
	publisher = {(unpublished)},
	year = {2013},
	address = {Islamabad},
	note = {Submitted in partial fulfillment of the requirements for the degree of  Doctor of physical therapy to the Faculty of Rehabilitation and Allied Health Sciences (FRAHS)}
}