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Present the author’s viewpoint on the interpretation, analysis, or methods used in a particular study, comment on the strength and weakness of a theory or hypothesis, should be backed by evidence
Detailed studies classified as primary literature, include hypothesis, background study, methods, results, interpretation of findings, and a discussion of possible implications
Scholarly reviews of fundamental concepts or prevalent ideas in a field, essays that present a personal point of view critiquing widespread notions pertaining to a field
Specific to the field of medicine, describe the methodology, implementation, and results of controlled studies, usually undertaken with large patient groups
Present the details of real patient cases from medical or clinical practice, discuss the signs, symptoms, diagnosis, and treatment of a disease
Give an overview of existing literature in a field with respect to specific issues, considered secondary literature
Short articles that draw attention to or present a criticism of a previously published article, book, or report
Provide insight and opinion on recently published scholarly books