00505nas a2200181   4500000000100000000000100001008004100002100002100043700001400064700001300078700001400091700001500105700001700120245015100137300001400288490000700302022001400309       2017                            d1 aR. Ravindrarajah1 aA. Dregan1 aN. Hazra1 aS. Hamada1 aS. Jackson1 aM. Gulliford00aDeclining blood pressure and intensification of blood pressure management among people over 80 years: cohort study using electronic health records  a1276-12820 v35  a0263-6352