![](/img/cover-not-exists.png)
A systematic review of instrumental variable analyses using geographic region as an instrument
Vertosick, Emily A., Assel, Melissa, Vickers, Andrew J.Volume:
51
Language:
english
Journal:
Cancer Epidemiology
DOI:
10.1016/j.canep.2017.10.005
Date:
December, 2017
File:
PDF, 364 KB
english, 2017