The relationship between the blood flow in the umbilical cord and the rate of foetal growth in sheep and guinea-pig.
D000818:Animals; D047109:Fetal Development; D005333:Fetus; D006168:Guinea Pigs; D012756:Sheep; D034561:Sheep, Domestic; D014470:Umbilical Cord / Q000098:blood supply*
FETUS; UMBILICAL CORD/blood supply