Cunningham, Gary F...[et al.] Williams Obstetrics. - 23rd/ed. - USA : McGraw-Hill Companies, c2010. - xv, 1385p. illus (hb) 28cm. Includes Bib'l. References and Index ISBN: 9780071497015 Subjects--Topical Terms: Obstetrics--c2010--USA--Hardbound