00757nas a2200289   4500000000100000000000100001008004100002100001800043700001800061700001200079700001300091700001100104700001400115700001500129700001600144700001600160700001600176700001300192700001600205700001400221700001600235700001300251245016700264300001400431490000800445022001400453       2019                            d1 aK. Richardson1 aK. Mattishent1 aY. Loke1 aN. Steel1 aC. Fox1 aC. Grossi1 aK. Bennett1 aI. Maidment1 aM. Boustani1 aF. Matthews1 aP. Myint1 aN. Campbell1 aC. Brayne1 aL. Robinson1 aG. Savva00aHistory of Benzodiazepine Prescriptions and Risk of Dementia: Possible Bias Due to Prevalent Users and Covariate Measurement Timing in a Nested Case-Control Study  a1228-12360 v188  a0002-9262