Review
Copyright ©The Author(s) 2017.
World J Cardiol. Aug 26, 2017; 9(8): 652-666
Published online Aug 26, 2017. doi: 10.4330/wjc.v9.i8.652
Table 2 Categories of published documents
TypeDescription
ArticlesIncludes research articles, cohort studies and case control studies
ReviewsThese included reviews of the literature and meta-analyses
Case studiesLimited to n = 1-3 patients in the study
LettersThese could include comments on other articles as well as case reports in letter form
AbstractsWhen no full paper had been published, abstracts were included in the references
EditorialsThese were typically comments on papers published in the same journal issue