@article{qing dong2023of,
  title={Effects of probiotics on preventing caries in preschool children: a systematic review and meta-analysis},
  author={nan meng,qi liu,qing dong,jianqi gu,yuanbo yang},
  journal={Journal of Clinical Pediatric Dentistry},
  volume={47},
  number={2},
  pages={85--100},
  doi = {10.22514/jocpd.2023.014},
  year={2023}
}