Turkish Journal of Endocrinology and Metabolism issues papers on all aspects of endocrinology. The journal is the scientific publishing organ of the Society of Endocrinology and Metabolism of Turkey and has been published quarterly (March, June, September and December) since 1997.
In addition to original articles, case reports, review articles, letters to the editor, educational articles, sections of question and answers, abstracts from literature and announcements of congresses/meetings are also published.
Turkish Language Institution dictionary and orthography guide should be taken as basic for literary. The idioms used should be checked.
The scientific and ethical liability of the manuscripts belongs to the authors and the copyright of the manuscripts belongs to the Turkish Journal of Endocrinology and Metabolism. The authors should submit the signed copyright transfer form together with their manuscripts.
The scientific board guiding the selection of the papers to be published in the Journal consists of elected experts of the Journal and if necessary, selected from national and international authorities.
The editor or associate editors may request the ethical committee approval for publication of clinical research studies. Authors are responsible for the contents of the manuscript and accuracy of the references.
The authors should guarantee that their manuscripts has not been published and/or is not under consideration for publication in any other periodical. This requirement does not apply to papers presented in scientific meetings and whose summaries, not exceeding 250 words, are published. In this case, however, the name, date and place of the meeting in which the paper was presented should be stated. The signed statement of scientific contributions and responsibilities of all authors is required.
All manuscripts are reviewed by the editor, concerned associate editors and at least three expert referees. The authors of the accepted manuscripts should be in consent that the editor and associate editors can make corrections without changing the main text of the paper.
Manuscript format should be in accordance with Uniform Requirements for Manuscripts Submitted to Biomedical Journals: Writing and Editing for Biomedical Publication (http://www.icmje.org/).

General Guidelines
Manuscripts can only be submitted electronically through the web site (http://turk-jem.dergisi.org) after creating an account. This system allows online submission and review.
The manuscripts are archived according to ICMJE-www.icmje.org, Index Medicus (Medline/PubMed) and Ulakbim-Turkish Medicine Index Rules.
Rejected manuscripts, except artwork are not returned.
For the experimental, clinical and drug studies having the obligation of being approved by ethical committee and being sent in order to be published in the Turkish Journal of Endocrinology and Metabolism, ethical committee approval report being in accordance with the international agreements  with Helsinki Declaration revised 2008 is required (www.wma.net/e/policy/b3.htm). In experimental animal studies, the authors should indicate that the procedures followed were in accordance with animal rights (Guide for the care and use of laboratory animals, www.nap.edu.catalog/5140.html) and they should obtain animal ethic committee approval. The approval of the ethic committee and the fact that the `informed consent is given by the patients should be indicated in the `Material and Method` section.

Original Articles
Clinical research should comprise clinical observation, new techniques or laboratories studies. Provided that these manuscripts are written with lower-case letters, they should include the title in Turkish/English, the background and the key words in Turkish/English, introduction, materials and methods, results (findings), discussion, references, tables, charts, pictures and they should be written in accordance with Journal Agent rules. They should not exceed sixteen (A4) pages.

Author Information
The name and the surname of the authors should be written without abbreviation. The academic titles, the affiliations and the addresses of these affiliations should be clearly declared. Furthermore, the contact information of the corresponding author should be entered to the system. Since e-mail will be used primarily for the contact with the authors, the e-mail of the corresponding author should be indicated. In addition the phone and the fax numbers should be also indicated.

Title Page
This page should include the titles of the manuscript, key words and running titles. In Turkish manuscripts the title in English should also take place. Likely, Turkish title should be mentioned for articles in foreign language. If the content of the paper has been previously presented or its abstract has been published, an explanation should be made in this page about this issue. If there are any grants and other financial supports by any institutions or firms for the study, information must be provided by the authors.

Summary
Turkish and English summaries of the manuscript should take place in a manner that it will not exceed 250 words. The keywords should be written at the end of the summary. The references should not be cited in the summary section. As far as possible, use of abbreviations is to be avoided. If any abbreviations are used, they must be taken into consideration independently of the abbreviations used in the text.  The summary should be written with four running titles.
Purpose: The goal of the study should be clearly stated.
Material and Method: The study should be defined, the standard criteria; it should be also indicated whether the study is randomized or not, whether it is retrospective or prospective, the statistical method, if any, should be indicated.
Results (Findings): The detailed result of the study should be given and the statistical significance level should be indicated.
Discussion: It should reflect the results of the study, the favorable and unfavorable aspects should be declared.

Introduction
Brief explanation about the topic should be done, the objective of the study should be indicated and these should be supported by the literature information.

Materials and Methods
The study plan should be given, it should be indicated whether it is randomized or not whether it is retrospective or prospective, the number of trials, the characteristics, the used statistical methods should be indicated. If any, it should be indicated that the results should be scrutinized.
Results (Findings)
The results should be given, the tables and the pictures should be given in numerical order and, the results should be indicated as % and/or p-values.
Discussion
The obtained values should be discussed with its favorable and unfavorable aspects and, they should be compared with literature.
References
Accuracy of reference data is the author's responsibility. References should be numbered according to the consecutive citation in the text. References should be indicated by parenthesis in the text. If there is Turkish Reference, attention should be paid to indicate this. Journal titles should be abbreviated according to the style used in the Index Medicus. All the references, books, papers and similar articles should be cited as references should be written according to the rules of the International Committee of Medical Journal Editors Uniform Requirements for Manuscripts Submitted to Biomedical Journals (http://www.nlm.nih.gov/bsd/uniform_requirements.html).
Journal: The surnames of the authors and the initial of authors’ names, the title of the paper, the title of the journal (the original abbreviation stated in the journal), year, volume and the page numbers.
Example: Collin JR, Rathbun JE. Involutional entropion: a review with evaluation of a procedure. Arch Ophthalmol. 1978;96:1058-64.
Book with a Single Author: The surname and the initial of the author, the title, chapter and section, the name of the editor, title of the book, place of publication, name of the printing house, year of print, page numbers.
Example: Herbert L.  Conjunctivitis, keratitis and infections of periorbital structures. In: Armstrong D, Cohen J, eds. The Infectious Diseases (1st ed). Philadelphia; Mosby Harcourt; 1999;11;1-8.
Book Chapter: The surname and the initial of the author, chapter and section, name of the editor, title of the book, place of publication, name of the printing house, year of print, page numbers.
Example: O’Brien TP, Green WR. Periocular Infections. In: Feigin RD, Cherry JD, eds. Textbook of Pediatric Infectious Diseases (4th ed). Philadelphia; W.B. Saunders Company;1998:1273-8.
Visual Materials (Tables, Graphics, Figures, and Pictures): All tables, graphics or figures should be enumerated according to the sequence within the text and a brief descriptive caption should be written. The abbreviations used should be definitely explained in the figure’s legend. Especially, the text of tables should be easily understandable and should not repeat the data of the main text. Illustrations that already published are acceptable if supplied by permission of authors for publication. The details of the pictures should be distinguishable and they should be recorded in JPEG format and in 500 pixels per inch at least.

Case Reports
It should consist of the title, summary, key words, summary in English, keywords, introduction, case report, discussion and references, the case or the cases should be worth to be presented, it should contribute to literature, and all of them should not exceed 5 papers in (A4) sizes.

Review
It should include new topics, the own experiences of the author, if possible, and the references also. It should consist of the title in Turkish, the summary, the keywords, the title in English, the summary in English and the keywords in English.

Letters to the Editor
They should be assays in the “review” manner in various topics or the assays concerning the articles published in the Turkish Journal of Endocrinology and Metabolism with the contributive content or contents as questions that do not exceed 200 words.

Scientific Letters
The manuscripts should be error-free in the summaries compiled from the articles in other journals, the author names (surname, name) should be written, the journal title should be written with its original abbreviation, its year should be indicated and, the name and he surname of the translator should be indicated under the manuscript.

Correspondence
All correspondences can be done to the following postal address or to the following e-mail address, where the journal editorial resides:

Address: Ankara Üniversitesi Tıp Fakültesi, Endokrinoloji ve Metabolizma Hastalıkları Bilim Dalı, Ankara
Phone.: +90 312 508 21 00
Fax: +90 312 309 45 05
E-mail: nilgun.baskal@temd.org.tr