ISSN 0120-9957
printed version



Scope and policy

The Revista Colombiana de Gastroenterología (RCG) is published by the Colombian Association of gastroenterology with the collaboration of the Colombian Association of Digestive Endoscopy, Colombian Association of Coloproctology and Colombian Association of Hepatology, published quarterly original and unpublished articles on medical topics, including articles of basic and clinical research, review articles and specialty papers. Also published Editorials, Case Reports, Letters to the Editor, and other documents related to the specialty. Items that meet the formal requirements will be subject to peer review, who are prominent members of the national and international medical community, appointed by the Editorial committee. The assessment shall be made within 30 days, both in style and in the methodology used before being forwarded to the author to report on the acceptance or rejection of the work and suggested modifications for publication.

The work will then be forwarded to the author for suggested corrections, for which this shall have 15 days. Once returned, the publisher will decide if you require further review by the evaluators or can be published, it will be communicated to the authors by email or other written means.

Papers should be submitted to:

Revista Colombiana de Gastroenterología (RCG)
Carrera 19 C No. 86-14, Oficina 203, Bogotá D.C., Colombia
or email:


Form and preparation of manuscripts

The format of the manuscripts should suit the style of the Revista Colombiana de Gastroenterología, which can be accessed at In the preparation of the work will adhere to the recommendations of the "Uniform Requirements for Manuscripts Submitted to Biomedical Journals" established by the International Committee of Medical Journal Editors (Vancouver Group), updated in February 2006, see:

  1. The work must be written on letter size paper, double-spaced, with lateral margins of 3 cm. Each component should begin on a new page, according to the following sequence: title page, abstract and key words in Spanish and English, text, acknowledgments, references, tables (each table on a separate page with title and footnotes) and legends to the figures. All pages must be numbered in the upper right, beginning with the title page. Figures (radiographs, histology or other) must be submitted in a separate file. On the title page should be provided a count of the number of words counted excluding abstract, acknowledgments, tables and figures. Are asked to "Research Articles" do not exceed 2,500 words. Review Articles may extend up to 3,000 words. Clinical Cases should not exceed 1,500 words. Letters to the Editor will not exceed 1,000 words.

  2. The "Research Articles" should be divided into sections entitled: Summary, (Abstract), Introduction, Material and Methods, Results, Discussion and References. Other items, such as documents or Review Articles may be other formats, which must be approved by the Editors.

    The Journal of Gastroenterology supports policies for the registration of clinical trials of World Health Organization (WHO) and the International Committee of Medical Journal Editors (ICMJE), recognizing the importance of such initiatives for the registration and international dissemination of information clinical trials in open access. Consequently soon, will only be accepted for publication, the clinical research articles that have received an identification number in one of the Clinical Trial Registers validated by the criteria established by WHO and ICMJE, whose addresses are available on the ICMJE site. The identification number must be recorded at the end of the abstract. These regulations apply to the work that is experimental or studies with in its title or the name on your statement or Clinical Trial Randomized Prospective Study.

  3. The order of each job will be:

    1. Title's Page. The first page of the manuscript should contain:

      1. The title, which should be concise but informative about the core content of the publication, and its translation into English;
      2. The perpetrator, identified with first name, last name and last initial maternal, identification card number
      3. Name of the place of work to which the author belonged during the execution of the study;
      4. Name and address and e-mail the author with whom to correspond.
      5. Source of financial support, if any, in the form of research grant (Grants), equipment, drugs, or all of them. You must declare any financial aid received, specifying whether the organization that provided it did or did not influence on the study, this document in a separate letter.
      6. Date of shipment. At the foot of the title page of computational count record number of words, according to indications in point 1.
      7. If the issue has been presented in any meeting, should describe the nature of it, the city and the date of exposure.

      Each of the following sections (2 to 8) should begin on a new page.

    2. Summary. The second page should contain an abstract of up to 250 words describing the purposes of labor, material and methods, principal results and major conclusions. Do not use non-standard abbreviations. The authors can provide their own English translation of the abstract and title of work. The magazine made the translation for those not able to provide it or when deemed necessary. The Editors can change the wording of the summary provided by the author. Below the abstract should be provided, and identified as such, of 3-5 keywords. Use for this purpose terms listed in Medical Subject Headings (MeSH) of the National Library of Medicine ( Or Descriptores de Ciencias de la Salud (DeCS) at the following address: These keywords will be used for purposes of indexing work. Are cited in section omits references.

    3. Introduction. Summarize the study and stating your purpose. Where appropriate, make explicit the assumptions whose validity attempted to check. Do not review the subject extensively and cite only the references that are strictly atingentes study.

    4. Materials and Methods or Patients and Methods. Describe the selection of subjects studied: patients or experimental animals, organs, tissues, cells, etc.., And their respective controls. Identify the methods, instruments or apparatus and procedures used, with adequate precision to allow other observers to reproduce the results. If used well-established methods and frequently used (including statistical methods), just name and quote the respective references. When the methods have been published but are not well known, provide references and add a brief description. If the applied methods are new or changes to established methods, describe accurately, justify its use and a statement of its limitations. When experiments have been carried out in humans, explicit whether the procedures respected the ethical standards proposed by the Declaration of Helsinki (amended in 2005) and if they were reviewed and approved by an ad hoc committee of the institution where the study was conducted. When requested by the editors, authors must attach the relevant approval document. Identify drugs and chemicals used, generic name, doses and routes of administration. Identify patients by consecutive numbers, but do not use your initials or numbers of their hospital medical records. Always indicate the number of patients or observations, the statistical methods used and the significance level previously chosen to judge the results. Is essential to identify the statistical methods used.

    5. Results. Present your results in logical sequence and consistent in the text, tables and figures. The data can be displayed in tables or figures, but not simultaneously in both. In the text, highlight important observations, without repeating all of the data presented in tables or figures. Do not mix the presentation of the results with discussion.

    6. Discussion. This is a discussion of the results of their work and not a general review of the topic. Only Emphasize new and important aspects that brings work and you propose conclusions from them. Do not repeat in detail data shown in the Results section. Explicite concordance or discordance of their findings and their limitations, comparing to other relevant studies identified from the respective citations. Connect your conclusions with the purposes of the study, which were highlighted in the Introduction section. Avoid making conclusions that are not supported by their findings and build on work not yet completed. Ask new hypotheses as deemed appropriate, but clearly label them as such. When appropriate, propose their recommendations.

    7. Acknowledgements. Express your thanks only to individuals and institutions that made substantive contributions to their work.

    8. References. Limit references (citations) to no more than 40. Number them consecutively in the order they first appear in the text. Identify them by Arabic numerals in superscript, placed at the end of the sentence or paragraph in which they are referred. References are cited only in tables or legends of figures should be numbered in sequence corresponding to the first time you cite these tables or figures in the text. You can include references to works that have been accepted by a journal but are still in process of publication, in this case, write down the full reference, then adding the abbreviated name of the journal the words "(in press)" . The format of the references will be restricted to the following standards of Style Vancouver: (View:

      1. Journal articles: Paternal last name and initial of author. List all authors when six or less, when seven or more, list the first six and add "et al" or "et al" as if the appointment is in Spanish or another language respectively. Limit punctuation commas to separate authors together. Full title of the article in its original language (.) Abbreviated name of the journal in which it appeared, abbreviated according to Index Medicus format ( without brackets. Publication, Volume (:) Home and end of the article, separated by a hyphen (.)
        Awad W, Garay A, Martinez C, Onate V, Turu I Yarmuch J. Drop weight and quality of life through gastric bypass surgery with and without calibration ring. Rev Chil Cir 2008, 60:17-21.

      2. Chapters in Books: Authors of the chapter (.) Chapter title (.) last name and first name initial of the authors / editors of the workbook (.) Title of book (.) Edition (.) City (:) Name Editorial (;) publication Year (:) start and end pages of the chapter (.)
        Croxatto H. Prostaglandins. Endocrine functions of the kidney. In: Pumarino H, ed. Endocrinology and Metabolism. Santiago: Editorial Andres Bello, 1984, 823-840.

      3. Journal articles in electronic format: Quote authors, article title and source journal for publication as printed, indicating then the website where you got the quote and the date on which the query was made.
        Morse S. Factors in the emergence of infectious diseases. Emerg Infect Dis (cited 1996 Jun 5). Available from
        For other publications, see rules in "Uniform Requirements for Manuscripts Submitted to Biomedical Journals" The authors are responsible for the accuracy of their references.

    9. Tables. Present each table on a separate sheet, separating their cells double-spaced. Number the tables in sequence and assign a title to explain its content without looking at the text of the manuscript (title of Table), along with a brief description independent explanatory text. On each column place a short or abbreviated heading. Separate with only horizontal lines column headings and general titles. The data columns are separated by spaces and not vertical lines. Use explanatory notes for all nonstandard abbreviations. Cite each table in ascending order of mention in the text of the paper.

    10. Figures. Denominated "Figure" to any illustration that is not Table (eg Graphics, X-rays, ultrasound, etc..). Graphics should be performed using an appropriate program. The computer-scanned images should be recorded on medium or high resolution JPEG or TIFF formats so they can be checked by graphic design programs commonly used. Send digitized figures in separate file. The letters, numbers, arrows or symbols should be clear and crisp photography and should be large enough to remain legible when the figure is reduced in size in the publication. Their titles and legends should not appear in the picture, but are included on a separate page, to be composed of the press. Symbols, arrows, or letters used in photographs of microscopic preparations, must have a sufficient size and contrast to distinguish them from their surroundings. Cite each figure in the text in consecutive order. If a figure reproduced published material, indicate its source and obtain written permission from the author and original publisher to play in their work. In the photographs of patients should cover part of his face to protect his anonymity.

    11. Legends for figures. Present titles and legends of figures on a separate page. Identify and explain all symbols, arrows, numbers or letter is used to indicate some of the illustrations.

    12. Units of measurement. Use appropriate units to decimal metric system.

  4. Corrections by the author. Once the first tests of the work out of print, this is usually sent to the author for final review. If a correction is deemed necessary, should be done about this for proofing and returned to the publishers within the deadlines stipulated by them.

  5. Responsibility. The responsibility of the concepts that are published are entirely the author and the RCG will ensure compliance to the Ethical Principles.

  6. All the texts included in the RCG are protected by copyright. Under the law, may not be reproduced by any means, mechanical or electronic, without written permission from the publisher.

  7. Quotes from the magazine. For reference citations, the abbreviation of the Revista Colombiana de Gastroenterología is: Rev. colomb. gastroenterol.

NOTE. The following data are required to establish communications following: Name and signature of the author responsible for contacting the Journal, Teléfonod, Mailing Address, Fax, E-mail.



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Revista Colombiana de Gastroenterología

Carrera 19C No. 86-14 Oficina 203, Bogotá, D.C., Colombia
Teléfono: (57 1) 6169950 - (57 1) 6168315
Fax: (57 1) 6162376