@book{2712,
	author = {Symposium on Medical Auxiliaries (1973 : Washington).},
	title = {Medical auxiliaries; proceedings of a Symposium, 1973, Washington, D.C.},
	publisher = { Pan American Health Organization,},
	year = {1973.},
	series = {(PAHO scientific publication, no. 278).},
	address = {Washington, D.C. : }
}