@book{36589,
	author = {Steinbock, Bonnie.},
	title = {Life before birth},
	publisher = {Oxford University Press,},
	year = {2011.},
	address = {New York ;},
	edition = {2nd ed.},
	note = {Previous ed.: 1992.},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780195341621.001.0001}
}