@book{1980,
	author = {Ratanawijitrasin, Sauwakon and Organizacion Mundial de la Salud and Wondemagegnehu, Eshetu},
	title = {Effective drug regulation, a multicountry study},
	publisher = {Organizacion Mundial de la Salud},
	year = {2002},
	address = {Ginebra},
	edition = {1° ed.}
}