@misc{indiciae22f027a958d0, title = {No easy answers for predicting preterm labor.}, author = {Catherine Y Spong}, year = {2002}, doi = {10.1016/s0029-7844(02)02138-5}, url = {https://pubmed.ncbi.nlm.nih.gov/12151139/}, note = {Source identifier: 12151139} }