@book{UBHD-68915151,
  author={Liu, Weina},
  organization={Universit{\"a}t Heidelberg},
  title={A cross-sectional study on prevalence and association between developmental impairment and BMI among preschool children aged 4-6 years in Rhine-Neckar county and the city of Heidelberg, Germany},
  address={Heidelberg},
  year={2021},
  pages={iv, 92 Bl{\"a}tter},
  language={eng},
  school={Dissertation,  Ruprecht-Karls-Universit{\"a}t Heidelberg,  2022},
  keywords={Body-Mass-Index / Assoziation},
  library={UB [Signatur: 2022 U 423]},
}
@book{UBHD-68900779,
  author={Liu, Weina},
  title={A cross-sectional study on prevalence and association between developmental impairment and BMI among preschool children aged 4-6 years in Rhine-Neckar county and the city of Heidelberg, Germany},
  address={Heidelberg},
  year={2022},
  pages={1 Online-Ressource (99 Seiten)},
  language={eng},
  school={Dissertation,  Ruprecht-Karls-Universit{\"a}t,  2022},
  doi={10.11588/heidok.00031454},
  keywords={Body-Mass-Index / Assoziation},
  url={https://nbn-resolving.org/urn:nbn:de:bsz:16-heidok-314545},
  library={UB},
}
@article{UBHD-68734697,
  author={Liu, Weina and Schwertz, Rainer and Welker, Andreas and Welker, Judith and Chen, Simiao and Dambach, Peter and Marx, Michael},
  title={Associations between BMI and visual impairment of 33407 preschool children in Germany},
  subtitle={a pooled cross-sectional study},
  year={2021},
  pages={105-111},
  language={eng},
  issn={1464-360X},
  volume={31},
  number={1},
  note={Advance access published on 28 October 2020 ; Gesehen am 29.06.2021},
  journal={European journal of public health},
  doi={10.1093/eurpub/ckaa185},
}
@article{UBHD-68905433,
  author={Liu, Weina and Yu, Fengyun and Geldsetzer, Pascal and Yang, Juntao and Wang, Zhuoran and Golden, Todd and Jiao, Lirui and Chen, Qiushi and Liu, Haitao and Wu, Peixin and Wang, Chen and B{\"a}rnighausen, Till and Chen, Simiao},
  title={Prevalence of depression in China during the early stage of the COVID-19 pandemic},
  subtitle={a cross-sectional study in an online survey sample},
  year={2022},
  pages={1-10},
  language={eng},
  issn={2044-6055},
  volume={12},
  note={Gesehen am 08.04.2022},
  journal={BMJ open},
  doi={10.1136/bmjopen-2021-056667},
  url={https://doi.org/10.1136/bmjopen-2021-056667},
  library={UB},
}