TY  - RPRT
TI  - Integration of the transabdominal technique into an ongoing chorionic villus sampling program.
AU  - K L Copeland
AU  - R J Carpenter
AU  - K R Fenolio
AU  - D H Ledbetter
PY  - 1989
DO  - 10.1016/0002-9378(89)90685-6
UR  - https://pubmed.ncbi.nlm.nih.gov/2589453/
ID  - 2589453
ER  -