Published on in Vol 9, No 5 (2021): May
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/25304, first published
.
![Combining External Medical Knowledge for Improving Obstetric Intelligent Diagnosis: Model Development and Validation Combining External Medical Knowledge for Improving Obstetric Intelligent Diagnosis: Model Development and Validation](https://asset.jmir.pub/assets/f544a43a4795c4c41997fa8847f538c3.png 480w,https://asset.jmir.pub/assets/f544a43a4795c4c41997fa8847f538c3.png 960w,https://asset.jmir.pub/assets/f544a43a4795c4c41997fa8847f538c3.png 1920w,https://asset.jmir.pub/assets/f544a43a4795c4c41997fa8847f538c3.png 2500w)
1 School of Information Engineering, Zhengzhou University, Zhengzhou, China
2 The Third Affiliated Hospital of Zhengzhou University, Zhengzhou, China
*these authors contributed equally