@book{1596,
	author = {Schwarcz, Ricardo. and Fescina, Ricardo Horacio,},
	title = {Obstetricia /},
	publisher = {El Ateneo,},
	year = {2005.},
	address = {Buenos Aires :},
	edition = {6a ed.},
	note = {A la cabeza del título: Schwarcz - Sala - Duverges.},
	url = {http://firstsearch.oclc.org/WebZ/DCARead?standardNoType=1&standardNo=9500204177:srcdbname=worldcat:fromExternal=true&sessionid=0}
}