@misc{indiciae96d334c86136, title = {Preterm delivery.}, author = {Michael M Slattery and John J Morrison}, year = {2002}, doi = {10.1016/s0140-6736(02)11476-0}, url = {https://pubmed.ncbi.nlm.nih.gov/12433531/}, note = {Source identifier: 12433531} }