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Tipus de document

Document Type o Tipus de document

Article: Original research or opinion, also includes conference papers. Characteristics: in peer-reviewed journals, articles are usually several pages in length, most often subdivided into sections: abstract, introduction, materials & methods, results, conclusions, discussion and references. However, case reports, technical and research notes and short communications are also considered to be articles and may be as little as one page in length. Articles in trade journals are typically shorter than in peer-reviewed journals, and may also be as short as one page in length.


Conference paper: Original article reporting data presented at a conference or symposium. Characteristics: Conference papers are items of any length reporting data from a conference, with the exception of Conference abstracts. Conference papers may therefore range in length and content from full papers to published conference summaries and short items as little as one page in length.


Review: Significant review of original research, also includes conference papers. Characteristics: Reviews typically have an extensive bibliography. Educational items that review specific issues within the literature are also considered to be reviews. As non-original articles, reviews lack the most characteristic sections of original articles, i.e. materials & methods and results.


Letter: Letter to or correspondence with the editor. Characteristics: Letter items are individual letters or replies. Each individual letter or reply is processed as a single item.


Editorial: Item summarizing several articles or providing editorial opinions or news. Characteristics: Editorial items are typically identified as editorial, introduction, leading article, preface or foreword, and are usually listed at the beginning of the table of contents.


Erratum: Item reporting an error, correction or retraction of a previously published paper. Characteristics: Errata are short items citing errors in, corrections to, or retractions of a previously published article in the same journal, to which a citation is provided.


Note: Note, discussion or commentary. Characteristics: Notes are short items that are not readily suited to other item types. They may or may not share characteristics of other item types, such as author, affiliation and references. Discussions and commentaries which follow an article are defined as notes and considered to be items in their own right. Notes also include questions & answers, and comments on other (often translated) articles. In trade journals, notes are generally shorter than half a page in length.


Short survey: Short or mini-review of original research. Characteristics: Short surveys are similar to reviews but typically are shorter (not more than a few pages) and with a less extensive bibliography.