The labor progress handbook : early interventions to prevent and treat dystocia /
Simkin, Penny, 1938-
The labor progress handbook : early interventions to prevent and treat dystocia / Penny Simkin, Lisa Hanson, Ruth Ancheta ; with contributions by Wendy Gordon, Suzy Myers, Gail Tully ; Illustrated by Shanna dela Cruz and Dolly Sundstrom. - Fourth edition. - Hoboken, New Jersey : John Wiley & Sons Inc., [2017] - xx, 388 pages : illustrations ; 22 cm.