TY  - RPRT
TI  - Chorionic biopsy and miscarriage in first trimester.
AU  - B Gustavii
PY  - 1984
DO  - 10.1016/s0140-6736(84)90955-3
UR  - https://pubmed.ncbi.nlm.nih.gov/6142271/
ID  - 6142271
ER  -