TY  - RPRT
TI  - Chorionic villus sampling.
AU  - L P Shulman
AU  - S Elias
PY  - 1989
DO  - 10.3928/0090-4481-19891101-07
UR  - https://pubmed.ncbi.nlm.nih.gov/2812887/
ID  - 2812887
ER  -