bovine placentome collagen was quantified ( p < 0.01 ) at four gestational stages ( 90 , 150 , 210 and 270 d , n = 8 d ) , at 2 h post partum without ( n = 4 ) and at 2 and 12 h post partum with ( n = 8 ) experimentally-induced placental retention .
C0032043
placentome
C0242669
placental retention