@article{304377, recid = {304377}, author = {De Crespigny, Lachlan. and Chervenak, Frank A.}, title = {Prenatal tests /}, publisher = {Oxford University Press,}, address = {Oxford ;}, pages = {158 p. :}, year = {2006}, note = {Includes index.}, url = {http://library.usi.edu/record/304377}, }