00450nas a2200157   4500000000100000008004100001100001500042700001400057700001800071700001300089700001400102700001700116700001500133245013000148022001400278       2019                            d1 aS. Sinnott1 aL. Smeeth1 aE. Williamson1 aP. Perel1 aD. Nitsch1 aL. Tomlinson1 aI. Douglas00aThe comparative effectiveness of fourth-line drugs in resistant hypertension: An application in electronic health record data  a1053-8569