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IV analysis relies on finding a naturally varying phenomenon, related to treatment but not to the outcome, except through the effect of treatment itself, and then using this phenomenon as a proxy for the confounded treatment variable

Yet, having ratified the FCTC in October 2005, China is at the same time required to put in place a regulatory framework to limit tobacco consumption

Last accessed on 1 Feb 2022

Unger and colleagues (2016) followed a cohort of 1,332 Hispanic young adults in California who provided survey data in 2014 and 2015

Discretion goes a long way toward avoiding unwanted conversationsor confrontations