@book{8283,
	author = {Morada, Joel I.,},
	title = {The risk of doudenal ulcer among the personnel of Camarines Sur Polytechnic Colleges, Nabua, Camarines Sur/},
	publisher = {Camarines Sur Polytechnic Colleges ;},
	year = {2010},
	address = {Nabua, Camarines Sur :}
}