00325nas a2200133   4500000000100000000000100001008004100002100001100043700001000054245009400064300001200158490000700170022001400177       2019                            d1 aY. Tao1 aH. Fu00aDoubly robust estimation of the weighted average treatment effect for a target population  a315-3250 v38  a0277-6715