@book{1822,
	author = {Vélez Atehortua, Hernán and Escobar R., Carlos E.},
	title = {Dermatología},
	publisher = {Corporación para Investigaciones Biológicas ,},
	year = {1990.},
	series = {Fundamentos de medicina},
	address = {Medellín :},
	edition = {4a ed.}
}