Williams obstetrics / 
[editors] F. Gary Cunningham, Kenneth J. Leveno, Jodi S. Dashe, Barbara L. Hoffman, Catherine Y. Spong, Brian M. Casey. 
 - 26th ed. 
 - New York :  McGraw-Hill,  2022. 
 - xvi, 1304 p.  col.ill. 
<br/><br/><label>ISBN: </label>9781264598434 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Obstetrics.<br/>Obstetrics.--methods
<br/><br/><label>LC Class. No.: </label>WQ100  / .W724