Insertion site:Find:Pt:Umbilical cord.placenta^Fetus:Nar:US
insertion site:find:pt:umbilical cord.placenta^fetus:nar:us
Insertion site:Find:Pt:Umbilical cord.placenta^Fetus:Nar:US
insertion site:find:pt:umbilical cord.placenta^fetus:nar:us