TY - BOOK AU - Cunningham,F.Gary AU - Leveno,Kenneth J. AU - Bloom,Steven L. AU - Dashe,Jodi S. AU - Hoffman,Barbara L. AU - Casey,Brian M. AU - Spong,Catherine Y. TI - Williams obstetrics SN - 9781259644320 U1 - 618.2 PY - 2018///] CY - New York PB - McGraw-Hill Education KW - Obstetrics KW - Fetus KW - Development KW - Labor (Obstetrics) KW - Pregnancy N1 - Includes bibliographical references and index ER -