TY  - RPRT
TI  - Transabdominal chorionic villus sampling.
AU  - M J McCormack
AU  - W E Mackenzie
PY  - 1991
DO  - 10.1016/0140-6736(91)90938-l
UR  - https://pubmed.ncbi.nlm.nih.gov/1671163/
ID  - 1671163
ER  -