@misc{indiciae2e1d2a7ee984, title = {Chorionic biopsy and miscarriage in first trimester.}, author = {B Gustavii}, year = {1984}, doi = {10.1016/s0140-6736(84)90955-3}, url = {https://pubmed.ncbi.nlm.nih.gov/6142271/}, note = {Source identifier: 6142271} }