@misc{8138,
  author = {K. Richardson and K. Mattishent and Y. Loke and N. Steel and C. Fox and C. Grossi and K. Bennett and I. Maidment and M. Boustani and F. Matthews and P. Myint and N. Campbell and C. Brayne and L. Robinson and G. Savva},
  title = {History of Benzodiazepine Prescriptions and Risk of Dementia: Possible Bias Due to Prevalent Users and Covariate Measurement Timing in a Nested Case-Control Study},
  year = {2019},
  journal = {Am J Epidemiol},
  volume = {188},
  number = {7},
  pages = {1228-1236},
  issn = {0002-9262},
  doi = {10.1093/aje/kwz073},
}