TY - BOOK AU - Chamberlain,Geoffrey AU - Wilkinson,A.W. TI - Placental transfer SN - 0272795313 AV - QP281.P5 1979 U1 - 599/.03/33 PY - 1979/// CY - Tunbridge Wells, Eng., Baltimore PB - Pitman Medical, distributed by University Park Press KW - Placenta KW - Maternal-fetal exchange KW - Biological transport N1 - Includes bibliographical references ER -