So it was nice to work so closely with her for a year again, and now supporting the new Dean Pat Van Fleet
We performed propensity score matching (PSM) with age, sex, race/ethnicity, current smoking status, and smoking pack-years, considering the heterogeneity of demographic, clinical, and laboratory characteristics according to passive smoking status
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Material and methods Tobacco products The concentrations of NO, NO 2 , and NO x in SHS were measured of nine commercial cigarette brands (named cigarette A to I) and the 3R4F reference cigarette (Kentucky Tobacco Research and Development Center, University of Kentucky, USA) 26