TY - BOOK AU - Cohen,Wayne R. AU - Friedman,Emanuel A. TI - Labor and delivery care: a practical guide SN - 9780470654590 PY - 2011/// CY - Chichester, West Sussex PB - Wiley-Blackwell KW - Labor, Obstetric KW - Delivery, Obstetric KW - methods KW - Obstetric Labor Complications KW - prevention & control KW - Birth Injuries ER -