00491nas a2200145   4500000000100000000000100001008004100002100001400043700001400057700001100071245023100082300001100313490000700324022001400331       2008                            d1 aR. Tannen1 aM. Weiner1 aD. Xie00aReplicated studies of two randomized trials of angiotensin-converting enzyme inhibitors: further empiric validation of the \textquoterightprior event rate ratio\textquoteright to adjust for unmeasured confounding by indication  a671-850 v17  a1053-8569