@book{159518,
	author = {Puffer, Ruth Rice and Serrano, Carlos V.},
	title = {Características del peso al nacer},
	publisher = {Organización Panamericana de la Salud, Oficina Sanitaria Panamericana, Oficina Regional de la Organización Mundial de la Salud},
	year = {c1988.},
	series = {Publicación cientifica},
	address = {Washington, D.C.},
	note = {Issued also in English under title, Patterns of birthweights.}
}