(b) methodological differences such as prospective or retrospective study design, definition and classification of smoking habits (active smoker, never smokers, ex-smokers), quantification of exposure (pack years, duration of cigarette smoking) classification of CKD (proteinuria, serum creatinine levels, eGFR), duration of follow-up after cessation of smoking, presence of comorbidities, life style, health care system, and medications
The American Airlines vs Southwest in-flight entertainment comparison is beefier than you might think
With this type of e-cigarette, you can adjust the amount of nicotine that you consume by using the e-cigarette more or less often
Faced with rising costs and an increasingly price-sensitive consumer, Staples businesses have been reducing the size of certain product ranges