@book{127802,
	author = {Puerto Rico. and Martínez, Isidro.},
	title = {Cáncer in Puerto Rico.-- 1950/64- = Cancer en Puerto Rico. -- 1950/64-},
	publisher = {Departamento de Salud},
	year = {1950/64-},
	address = {San Juan, P. R.},
	note = {1965- edition published annually.}
}