The changing situation about maternal age, risk factors and pregnancy outcomes after the two-child policy: a retrospective cohort study
@article{APM40449,
author = {Xiaohui Teng and Mc Intyre Shane and Shilei Pan},
title = {The changing situation about maternal age, risk factors and pregnancy outcomes after the two-child policy: a retrospective cohort study},
journal = {Annals of Palliative Medicine},
volume = {9},
number = {3},
year = {2020},
keywords = {},
abstract = {},
issn = {2224-5839}, url = {https://apm.amegroups.org/article/view/40449}
}