00499nas a2200181   4500000000100000000000100001008004100002100001400043700001500057700001400072700001600086700001800102700001400120245015000134300001200284490000700296022001400303       2013                            d1 aN. Davies1 aD. Gunnell1 aK. Thomas1 aC. Metcalfe1 aF. Windmeijer1 aR. Martin00aPhysicians\textquoteright prescribing preferences were a potential instrument for patients\textquoteright actual prescriptions of antidepressants  a1386-960 v66  a0895-4356