Yazarlara Bilgi

Instructions to Authors

Gülhane Medical Journal (GMJ) is an international, multidisciplinary and peer reviewed journal for researchers and health-care providers. It is published four times a year, and accepts submissions in English. It is the official journal of the Gülhane Faculty of Medicine, University of Health Sciences Turkey.

GMJ follows the International Committee of Medical Journal Editors’s (ICMJE) Recommendations for the Conduct, Reporting, Editing and Publication of Scholarly Work in Medical Journals. For authors submitting to GMJ, it is recommended that authors follow the Uniform Requirements for Manuscripts Submitted to Biomedical Journals formulated by the International Committee of Medical Journal Editors (ICMJE).

All submissions are evaluated through the online submission system via (http://jag.journalagent.com/gulhanemedj/). Following submission, all correspondence is sent by e-mail.

Accepted manuscripts are assigned a DOI number, and the content is freely available.

GMJ publishes in categories listed below;

1. Original article

2. Case report

3. Review article

4. Letter to the editor (and their responses)

Authors submitting their manuscripts should follow this guide for the authors. Editorial office may send the manuscript back in order to complete the standard requirements before proceeding for review.

Original articles should be designated either basic research or clinical research.

Review articles should include a summary and subheadings in the text to highlight the content of different sections. Authors are recommended to contact journal before submitting a review article in order to get a provision for review.

Case reports should present an actual patient case with a specific disease or condition.

Letters to the editor should be related to the articles published in the last four issues.

Below are the word limits applied by the GMJ, specific to manuscript types;

Type of article


Word count*

Number of authors

Number of references


Original article


2000 to 5000




Review article


2000 to 4000




Case report


500 to 1000




Letter to the editor


250 to 500




*Excludes abstract, acknowledgments, conflict of interest statement, references, and tables; minimum and maximum word counts.

The authors must declare that their submitted article has neither been published in any journal, nor been simultaneously submitted to another journal. Presentations as an abstract at a scientific meeting is an exception but this should be declared in the cover letter.

The Methods section should include a statement indicating that the research was approved by an independent local, regional or national review body (e.g., ethics committee, institutional review board). If the study includes human subjects, the author should declare openly that the work described has been carried out in accordance with The Code of Ethics of the World Medical Association (Declaration of Helsinki) for experiments involving humans (link- https://www.wma.net/policies-post/wma-international-code-of-medical-ethics/), and Uniform Requirements for manuscripts submitted to Biomedical journals (link- http://www.icmje.org/). The name of the institution and the code of approval (i.e., approval number) must be provided. Authors should include a statement in the manuscript about informed consent obtained from their participants. According to the most recent regulations by the Turkish Academic Network and Information Center (ULAKBIM), the authors (s) of a case report must include a statement in their manuscript that written, informed consent was obtained from the patient.

GMJ follows the ICMJE’s clinical trial registration policy for the clinical trials. Therefore, registration of clinical trials in a public trials registry at or before the time of first patient enrollment is a basic requirement in this journal. The name of the public registry and the code of approval should be included in the manuscript.

Animal experiments should comply with the standards as detailed by the EU Directive 2010/63/EU for animal experiments. Different or local regulations may apply provided that this is written in the manuscript and EU Directive is not violated.

Preparation of research articles, systematic reviews and meta-analyses must comply with study design guidelines:

CONSORT statement for randomized controlled trials (Moher D, Schultz KF, Altman D, for the CONSORT Group. The CONSORT statement revised recommendations for improving the quality of reports of parallel-group randomized trials. JAMA 2001; 285: 1987-91) (http://www.consort-statement.org/);

PRISMA statement of preferred reporting items for systematic reviews and meta-analyses (Moher D, Liberati A, Tetzlaff J, Altman DG, The PRISMA Group. Preferred Reporting Items for Systematic Reviews and Meta-Analyses: The PRISMA Statement. PLoS Med 2009; 6(7): e1000097.) (http://www.prisma-statement.org/);

STARD checklist for the reporting of studies of diagnostic accuracy (Bossuyt PM, Reitsma JB, Bruns DE, Gatsonis CA, Glasziou PP, Irwig LM, et al., for the STARD Group. Towards complete and accurate reporting of studies of diagnostic accuracy: the STARD initiative. Ann Intern Med 2003;138:40-4.) (http://www.stard-statement.org/);

STROBE statement, a checklist of items that should be included in reports of observational studies (http://www.strobe-statement.org/);

MOOSE guidelines for meta-analysis and systemic reviews of observational studies (Stroup DF, Berlin JA, Morton SC, et al. Meta-analysis of observational studies in epidemiology: a proposal for reporting Meta-analysis of observational Studies in Epidemiology (MOOSE) group. JAMA 2000; 283: 2008-12).


All manuscripts submitted are screened for plagiarism using Crossref Similarity Check powered by “iThenticate” software. Results indicating plagiarism may cause manuscripts being returned or rejected.

Preperation of the manuscript

The text should be in simple, single-column format. Using MS word processor, Times New Roman font and 11- or 12-point font size should be chosen. The text and references should be double-spaced.

Importantly, the title page must be uploaded separately, no page breaks should be used and all pages should be numbered (below, centered) consecutively.

Abbreviations should be defined when first used in the text.

Units must be expressed following the international system of units (SI).

Uploading the Manuscript Submission Form (MSF) (found in online submission system) is mandatory for all submissions. MSF must be filled in English (typewriting is encouraged), signed by the corresponding author and scanned clearly.

Authors should make sure that a good layout is helpful throughout the review and publication process.

Cover Letter

All submissions should include a cover letter and complete contact information for the corresponding author. The authors must declare in this letter that their submitted article has neither been published in any journal, nor been simultaneously submitted to another journal. Whether the authors have published or submitted any related papers from the same study should be stated. Authors may also use this letter for confidential contact with the editor.

Title Page

All manuscripts should start with the title page. It should include; the title of the manuscript, full names, highest academic degrees, and affiliations of all authors including updates, name and complete contact information for the corresponding author, and manuscript word count (not including title, abstract, acknowledgments, references, tables, and figure legends). The title page should also include the ''Acknowledgments'' section, ''Conflict of interest'' statement, and information about the previous publications(s) as an abstract with the inclusion of authors list in the presentation. A sample of a title page can be found here.


It should be structured according to Aims, Methods, Results, Conclusions


Up to six keywords should be included in the manuscript.

Main document

It should be divided into the following sections: Introduction; Methods; Results; Discussion.

A case report should be structured as follows; introduction, Presentation of Case, Discussion, Conclusion.

Acknowledgments (mandatory)

This section must include list of author contributions, credits, and other information. Author contributions must be listed in accordance with ICMJE authorship criteria. Funding must be described in detail including valid codes. Authors are responsible for the completeness of the information that should exist in the acknowledgement.

Conflict of Interest (mandatory)

Authors must disclose any conflict of interest related to their submission. This statement must include any financial, personal or other relationships within three years of beginning the submitted work. When there is no such relationship, the authors must type "The authors declared they do not have anything to disclose regarding conflict of interest with respect to this manuscript."


It is the authors' responsibility to maintain the accuracy and completeness of their references and for correct citation in the text.

References should be numbered and listed in the order they appear in the text. In the text, references should be identified using arabic numerals in parenthesis placed before the period.Up to six authors in a cited article all authors should be listed. When there are seven or more authors, the first three authors' names should be included followed by ‘’et al.’’. The issue number must be included in journal references, and last page number must be typed in full.

Examples of reference style:

Galant SP, Komarow HD, Shin HW, Siddiqui S, Lipworth BJ. The case for impulse oscillometry in the management of asthma in children and adults. Ann Allergy Asthma Immunol. 2017;118(6):664-671.

Willeit K, Pechlaner R, Willeit P, et al. Association between vascular cell adhesion molecule 1 and atrial fibrillation. JAMA Cardiol. 2017;2(5):516-523.

Taichman DB, Sahni P, Pinborg A, et al. Data sharing statements for clinical trials: a requirement of the international committee of medical journal editors [published online June 6, 2017]. Ann Intern Med. doi: 10.7326/M17-1028.

World Health Organization. WHO Criteria for Diagnosis of Osteoporosis. http://www.4bonehealth.org/education/world-health-organization-criteria-diagnosis-osteoporosis/. Accessed June 15, 2017.

Venables WN, Ripley BD. Modern Applied Statistics With S. 4th ed. New York, NY: Springer Publishing Co; 2003

Purnell L. Transcultural Diversity and Health Care. In: Transcultural Health Care: A Culturally Competent Approach. 4th ed. Philadelphia: FA Davis Company; 2012:7.


Tables should be numbered in the order of their citation in the text. Each table should have a brief title. Footnotes should also be used where needed. Each table should be uploaded as a separate word file.


Figures should be numbered in the order of their citation in the text. Each figure should have a brief title. Footnotes should also be used where needed. Each figure should be uploaded as a separate JPEG or TIFF file and should not exceed 1 MB in size.

Table and figure Legends

Use of brief legends (captions) for tables and figures is recommended. These can include explanation of the table or figure, markers and expansion of abbreviations. The legends should be uploaded as separate, word files.

GMJ encourages authors to use reporting guidelines such as CONSORT for Randomized Controlled Trial, PRISMA for Systematic Reviews or Meta-analyses of controlled trials, STARD for Diagnostic accuracy studies, and STROBE for Observational epidemiology studies.


GMJ offers entirely free publication. No page charges, article processing charge, or other are applied. The journal does not accept donations.

© 2018 Gülhane Medical Journal. All Rights Reserved.