@book{9142,
	author = {Saleumsak Keochanthail and Graduate School Mahidol University},
	title = {Knowledge and perception of mothers with children under 2 years of age on immunization status in Khammuane province, Lao PDR},
	publisher = {Graduate School Mahidol University;},
	year = {2002},
	address = {Nakhonpathom:}
}