00369nas a2200145   4500000000100000000000100001008004100002100001500043700001400058700001400072245010500086300001100191490000700202022001400209       2008                            d1 aJ. Delaney1 aE. Moodie1 aS. Suissa00aValidating the effects of drug treatment on blood pressure in the General Practice Research Database  a535-450 v17  a1053-8569