@book{13713,
	author = {Chelala, Cesar A. and Weissenbacher, Mercedes and Pan American Health Organization.},
	title = {AIDS : a modern epidemic.},
	publisher = {Pan American Health Organization,},
	year = {1993.},
	series = {PAHO communicating for health series ;},
	address = {Washington, D.C. : },
	note = {Original text prepared by Cesar A. Chelala, with the technical assistance of Mercedes Weissenbacher, Rafael Maz'in and Fernando Zacar'ias.}
}