the drugs markedly depressed thyroxine ( t4 ) concentration in maternal and umbilical cord sera , and partly depressed tsh in maternal and umbilical artery sera and gh in umbilical artery sera , but not triiodothyronine ( t3 ) or reverse t3 ( r-t3 ) concentration .
C0041633
umbilical cord
C0041632
umbilical artery