@misc{indiciae9879ffea6457, title = {Transcervical chorionic villus sampling in multiple pregnancies using a biopsy forceps.}, author = {Gemma Casals and Antoni Borrell and Josep M Martínez and Anna Soler and Vicenç Cararach and Albert Fortuny}, year = {2002}, url = {https://pubmed.ncbi.nlm.nih.gov/11920906/}, note = {Source identifier: 11920906} }