TY - BOOK AU - FitzSimmons, Jack. TI - Prenatal diagnosis SN - 0444016694 (alk. paper) U1 - 618.3/2075 20 PY - 1993/// CY - New York PB - Elsevier KW - Prenatal Diagnosis KW - methods KW - trends N1 - Includes bibliographical references and index ER -