Cohen, Wayne R. Labor and delivery care : a practical guide / Wayne R. Cohen, Emanuel A. Friedman. - Chichester, West Sussex : Wiley-Blackwell, 2011. - xii, 388 p. : ill. ; 25 cm. ISBN: 9780470654590 RM288.66 Subjects--Topical Terms: Labor, Obstetric.Delivery, Obstetric--methods.Obstetric Labor Complications--prevention & control.Birth Injuries--prevention & control.