Chorionic villi sampling under direct vision

This publication has 3 references indexed in Scilit:

• First-trimester diagnosis on chorionic villi obtained by direct vision technique
  Human Genetics, 1984
• Efficient direct chromosome analyses and enzyme determinations from chorionic villi samples in the first trimester of pregnancy
  Human Genetics, 1983
• Method of sampling chorionic villi in first trimester of pregnancy under guidance of real time ultrasound.
  BMJ, 1983