Martin, Leonide L. Essentials of maternity nursing : family -centered care / Irene M. Bobak and Margaret Duncan Jensen. - 3rd ed. - New York: Lippincott, c1991. - xx, 819 p. : ill. ; 29 cm. Includes index. Includes bibliographical references. ISBN: 0397547919 (hbk) Subjects--Topical Terms: Maternity nursing.Obstetrical Nursing.Perinatology--nurses instruction.