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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
2019;26(1):123134.e128
Discretion goes a long way toward avoiding unwanted conversationsor confrontations
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
