TY - BOOK AU - McCormick, Marie C AU - Siegel, Joanna E TI - Prenatal care : effectiveness and implementation SN - 9780521661966 SN - 698571 U1 - 618.2 MCC PY - 1999/// CY - Cambridge PB - Cambridge University Press KW - Prenatal care KW - Prenatal Diagnosis N1 - Includes bibliographical references and index ER -