@article{JPHE118,
  author = {Annabelle Watkins},
  title = {The Relationship Between Physical Activity and Cognitive Function in Older Adults: A Meta-Analysis of Longitudinal Studies},
  journal = {Journal of Public Health & Environment},
  volume = {4},
  number = {2},
  year = {2021},
  pages = {1--10},
  doi = {10.xxxx/xxxxxx},
  issn = {3006-6778, 3006-6786},
  url = {https://www.journal-phe.online/4/2/118}
}