@misc{indiciae6fb8d25f8e9d, title = {Current obstetrical practice and umbilical cord prolapse.}, author = {I M Usta and B M Mercer and B M Sibai}, year = {1999}, doi = {10.1055/s-1999-6809}, url = {https://pubmed.ncbi.nlm.nih.gov/10774764/}, note = {Source identifier: 10774764} }