@book{8590,
	author = {Perry, Henry.  and Weierbach,Robert and  International Centre for Diarrhoeal Disease Research,Bangladesh },
	title = {Immunization coverage in zone 3 of Dhaka city, Bangladesh / },
	publisher = { International Centre for Diarrhoeal Disease Research,Bangladesh },
	year = { 1997},
	address = {Dhaka : }
}