00459nas a2200181 4500000000100000008004100001100001300042700001400055700001300069700001300082700001300095700001600108700001500124245010600139300001000245490000800255022001400263 2014 d1 aS. Weich1 aH. Pearce1 aP. Croft1 aS. Singh1 aI. Crome1 aJ. Bashford1 aM. Frisher00aEffect of anxiolytic and hypnotic drug prescriptions on mortality hazards: retrospective cohort study ag19960 v348 a0959-8138