TY - BOOK AU - Briggs Gerald G, AU - Freeman Roger K AU - Yafee Sumner J TI - Drugs in pregnancy and lactation: Areference guide to fetal and nonatal risk , SN - 0683010603 AV - RG 627 D79 1994 PY - 1994/// CY - Baltimore,USA PB - Williams and wilkins KW - Drugs KW - Pregnancy N1 - Includes Bibliographical references and index; Introduction Instructions for use of the Reference Guide Monographs Appendix ER -