title: Misconceptions about nested studies, matched analysis, significancy, power, normality and multivariate regression analysis.
authors.affiliation: Department of Epidemiology; Faculty of Public Health; Shahid Beheshti University of Medical Sciences, Tehran, IR Iran.
authors.forename: Ali
authors.initials: A
authors.lastname: Kabir
keywords: Case-Control Studies; Hepatitis C; Regression Analysis