In-depth content: reports and analyses of original research conducted in the lab
Written by experts: professors, scientists with in-depth knowledge of the discipline
Formatted for journal's guidelines: title, author list, abstract, methodology, results, discussion, conclusion, references, suppporting information, graphics, tables
Peer-reviewed: manuscript is reviewed by a panel of experts in the field of research
Journal articles, patents, conference proceedings, technical reports, theses and dissertations: present original results of investigations reported by researchers (called primary sources).
Review articles, books, handbooks, encyclopedias, dictionaries: analyze, compile and facilitate access to information from primary sources (called secondary sources)