@book{10259,
	author = {Karvonen, M  and World Health Organization Regional Office for Europe Copenhagen},
	title = {Epidemiology of occupational health},
	publisher = {Worl Health},
	year = {1986},
	series = {European Series N° 20},
	address = {Europa},
	note = {Prohibida la reproducción total o parcial de la obra sin autorización de los editores.}
}