Use of instrumental variable in prescription drug research with observational data: a systematic review
2011 ◽
Vol 64
(6)
◽
pp. 687-700
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Keyword(s):
2016 ◽
Vol 175
(5)
◽
pp. 599-612
◽
2016 ◽
Vol 47
(6)
◽
pp. 1892.2-1892
◽
2015 ◽
Vol 68
(10)
◽
pp. 1232-1240
◽
Keyword(s):