WIL'P22 UG/27429 William Williams obstetrics . – 26th ed. – New York : McGraw Hill , c2022 xvi,1304p. : col.ill. ISBN9781264598434 : Rs.10700/- . Obstetrics . Cunningham, F. Gary, ed. . Leveno, Kenneth, ed. . Dashe, Jodi S., ed. . Hoffman, Barbara L., ed. . Spong, Catherine Y., ed. . Casey, Brain M., ed. |