@book{1923,
	author = {Velásquez de V., Gloria and Gómez A., Rubén Darío},
	title = {Sida enfoque integral : fundamentos de medicina},
	publisher = {Corporación para Investigaciones Biológicas CIB,},
	year = {1996.},
	address = {Medellín : },
	edition = {2a ed.}
}