Guidance for tissue sampling of chorionic villus:Find:Pt:Pelvis>Placenta:Doc:US
guidance for tissue sampling of chorionic villus:find:pt:pelvis>placenta:doc:us
Guidance for tissue sampling of chorionic villus:Finding:To identify measures at a point in time:Pelvis>Placenta:Document:Ultrasound
guidance for tissue sampling of chorionic villus:finding:to identify measures at a point in time:pelvis>placenta:document:ultrasound