TY - BOOK AU - Dudenhausen,Joachim W. TI - Practical obstetrics SN - 9783110275933 PY - 2014///], ©2014 CY - Berlin PB - De Gruyter KW - Obstetrics KW - methods KW - Pregnancy KW - Delivery, Obstetric KW - Pregnancy complications KW - Labor, Obstetric ER -