@book{248646,
	author = {Silva, P.M. da},
	title = {Epizootiology of Perkinsus sp. inCrassostrea gasar oysters in polyculture with shrimps in northeastern Brazil},
	url = {http://www.scielo.br/pdf/rbpv/v25n1/1984-2961-rbpv-S1984-29612016011.pdf}
}