placental monolayer cultures were established by trypsin dispersion of term placental villi and were maintained for 5 days in culture medium containing either no steroid or 10 ( -7 ) - 10 ( -5 ) m dha , dha sulfate ( dhas ) , or 16 alpha-hydroxy-dha ( 16 alpha-oh dha ) , in all cases with and without the addition of 2 x 10 ( -7 ) or 2 x 10 ( -6 ) m lrh .
C0032043
placental
C0008508
placental