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In order to assess whether the finding of differential or non-differential misclassification might be accounted for by the unequal distribution of factors related to the accuracy of diagnostic coding [23], [24], sensitivity and specificity calculations were further stratified by the diagnosis type (surgical, medical or other) and the hospital type (public or private) of the most recent admission

Vaping still exposes the mouth to nicotine, which can slow healing and affect implant success

The reason that nicotine is an active ingredient in nicotine

He was also enjoying two cigarettes, which he double fisted out in the open despite the fact that one looked slightly suspicious

National Center for Chronic Disease Prevention and Health Promotion, Office on Smoking and Health (2010)