00491nas a2200193   4500000000100000000000100001008004100002100001400043700001400057700001400071700001400085700001400099700001400113700001800127245011700145300001400262490000700276022001400283       2017                            d1 aN. Davies1 aK. Thomas1 aA. Taylor1 aG. Taylor1 aR. Martin1 aM. Munafo1 aF. Windmeijer00aHow to compare instrumental variable and conventional regression analyses using negative controls and bias plots  a2067-20770 v46  a0300-5771