TY - BOOK AU - Cunningham, F. Gary. AU - Williams, J. Whitridge TI - Williams obstetrics SN - 0838596479 (domestic : alk. paper) U1 - 618.2 21 PY - 2001/// CY - New York PB - McGraw-Hill KW - Obstetrics N1 - Includes bibliographical references and index ER -