Horsager, Robyn. Williams obstetrics. Study guide / Robyn Horsager, Scott W. Roberts, Vanessa L. Rogers, Patricia C. Santiago-Muņoz, Kevin C. Worley, Barbara L. Hoffman. - 24th edition. International edition. - xi, 434 pages : illustrations (some color) ; 28 cm Includes index. ISBN: 9781259255564 (paperback) Subjects--Topical Terms: Obstetrics--Problems, exercises, etc. Dewey Class. No.: 618.20076 / HOR 2015