Kruppel, Robert A. High-risk pregnancy : a team approach / Robert A. Kruppel, Joan E. Drukker. - 2nd ed. - Philadelphia : W. B. Saunders, c1993. - xviii, 769p. : ill. ; 27 cm. Includes bibliographical references and index. ISBN: 0721634559 Subjects--Topical Terms: Pregnancy, Complications ofLabor, Complicated. LC Class. No.: RG571 / H45K94 1993