@inbook{1115993091, author={W. Allen Hogge and Aleksandar Rajkovic}, title={Methods of Prenatal Diagnosis}, booktitle={Practical Genetics for the Ob-Gyn}, publisher={McGraw-Hill Education}, address={New York, NY}, year={2015}, url={obgyn.mhmedical.com/content.aspx?aid=1115993091} }