@article{Lin_T-2021_83444, title = {COVID-19 Lockdown Increased the Risk of Preterm Birth}, author = {Lin, T. and Zhang, C. and Chen, L. and Jin, L. and Lin, X. and Pan, J. and Dennis, C. and Mol, B. and Huang, H. and Wu, Y.}, month = {sep}, year = {2021}, abstract = {}, volume = {8}, journal = {Frontiers in Medicine}, publisher = {Frontiers Media}, url = {https://doi.org/10.3389/fmed.2021.705943}, }