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Author Guidelines


1. Types and scope of articles:

internal medicine and medical investigation is a peer-reviewed journal that publishes original articles, reviews (traditional reviews and systematic reviews), meta analyses, case reports and other common types of articles related to all areas of basic and clinical medical sciences and all disciplines of health sciences. Editorials, letters to the editor, opinions, and other short articles also are welcomed. Topics of interest include all subjects that relate to the practice of medicine and the betterment of public health worldwide.

2. Research ethics and publication ethics:

internal medicine and medical investigation subscribes to the principles of, the Committee on Publication Ethics (COPE). internal medicine and medical investigation has zero tolerance for academic misconduct, including "Duplicate Publication," "Salami Publication," and "Plagiarism." All manuscripts are investigated thoroughly regarding any potential unethical conduct. All submissions will be checked for plagiarism using iThenticate.

3. Manuscript preparation: 

3.1. The "Uniform Requirements for Manuscripts (URM) Submitted to Biomedical Journals" is incorporated into our review and publication process. Please visit for more details. You are encouraged to prepare the reference section of the manuscript using the standard introduced by URM.

3.2. Format of original articles:

Manuscripts must consist of the Title, Abstract (250 words or less for original articles, 200 words or less for reviews, and 150 words or less for case reports), three to five Keywords and the body of manuscript without any information regarding the names of the authors. Abstracts are not required for Letters to the Editor or Editorials. 

3.3. References:

References should be written in compliance with the ‘Citing Medicine, 2nd edition: The NLM Style Guide for Authors, Editors, and Publishers’ published by National Library of Medicine, National Institutes of Health (Aailable from: ). Some authors do not use correct abbreviations for journals. Please use the abbreviations of the titles of journals in the reference section. For more information, visit the ISSN website at and the National Library of Medicine at (Look at the appendix section of that page for abbreviation of journals) for further details. The correct abbreviations for journals also can be found at the journals’ websites. Please add Pubmed PMID (or Pubmed central PMCID) of articles (if the references appear in Pubmed), and add the digital object identifier (DOI) or the URL (in the DOI system) if the reference has a DOI. Visit the following link to search the PMIDs and DOIs of articles: (This link provides doi for those journal articles that use CrossRef doi service, therefore there are many articles with DOI, but not available on Crossref).

4. Review process:

All manuscripts must undergo review. The expected time between submission of the manuscript and receiving the first round of review results varies depending on the availability of reviewers and other issues, but, in general, authors can expect to have the initial result within 4-6 weeks. If the authors choose the fast track option (fast review + publication), they will receive the initial result within "Two" weeks.

The peer review process at the Internal Medicien And Medical Investigation includes the following steps: 

  1. Authors submit an article.
  2. The Editor-in-chief verifies relevance of the article to the journal's policy for publishing such papers and then, assigns associate editors, including biostatistician, for initial evaluation.
  3. Associate editors suggest peer-reviewers, who are authorities in the selected fields (usually three). If the manuscript is not approved for further evaluation, they ask Editor-in-chief to reject the paper without peer reviewing (Fast rejection).
  4. To help decide on the merits of the paper and reach a common conclusion on the paper's suitability for publication, the Editor-in-chief usually asks for an editorial board gathering to study the peer-reviewer's comments.
  5. The authors may be asked to respond to the questions raised by reviewers if the paper is accepted for publication or a rejection letter is sent if not accepted.
  6. The author/s are to respond in due time and clarify ambiguities if any.
  7. Upon receiving the revised paper, the reviewers (usually two out of three and the biostatistician) check for the author/s feedbacks on their comments.
  8. Upon the last round of review (mentioned at 7), and their approval, the paper is revised by editors and it is put in the queue for publication.

5. Language of Journal Articles:

5.1. English editing:

The manuscripts submitted to internal medicine and medical investigation should be written in English. Our native English editors will perform advanced English editing on accepted manuscripts free of charge. When we say that advanced English editing is free, we mean that the editing itself is free, but there will be minimal tax and handling fees. The authors are free to choose any other native English editing service. We prefer the following English editing companies:

American Journal Experts:


6. Conflict of Interest (COI):

All submissions must be accompanied by a completed Conflict of Interest (COI) form. 

7. Publication fee:

We should clarify that our journal is free for both authors and readers; this clearly means that there is no publication fee, no authors fee, and no subscription fee. If the authors choose the fast track option (fast review + publication), they are required to pay 70$.

8. Expected time required for the peer-review process:

The authors can expect to receive the first round of journal's comments and the initial result of their submissions within 4-6 weeks. If the authors choose the fast track option (fast review + publication), they will receive the initial result within "Two" weeks.



Submission Preparation Checklist

As part of the submission process, authors are required to check off their submission's compliance with all of the following items, and submissions may be returned to authors that do not adhere to these guidelines.

  1. The submission has not been previously published, nor is it before another journal for consideration (or an explanation has been provided in Comments to the Editor).
  2. The submission file is in OpenOffice, Microsoft Word, RTF, or WordPerfect document file format.
  3. Where available, URLs for the references have been provided.
  4. The text is single-spaced; uses a 12-point font; employs italics, rather than underlining (except with URL addresses); and all illustrations, figures, and tables are placed within the text at the appropriate points, rather than at the end.
  5. The text adheres to the stylistic and bibliographic requirements outlined in the Author Guidelines, which is found in About the Journal.
  6. If submitting to a peer-reviewed section of the journal, the instructions in Ensuring a Blind Review have been followed.

Copyright Notice

Authors who publish with this journal agree to the following terms:

1. Authors retain copyright and grant the journal right of first publication with the work simultaneously licensed under a Creative Commons Attribution License that allows others to share the work with an acknowledgement of the work's authorship and initial publication in this journal.

2. Authors are able to enter into separate, additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (e.g., post it to an institutional repository or publish it in a book), with an acknowledgement of its initial publication in this journal.

3. Authors are permitted and encouraged to post their work online (e.g., in institutional repositories or on their website) prior to and during the submission process, as it can lead to productive exchanges, as well as earlier and greater citation of published work (See The Effect of Open Access).


Privacy Statement

The names and email addresses entered in this journal site will be used exclusively for the stated purposes of this journal and will not be made available for any other purpose or to any other party.




Author Fees

This journal charges the following author fees.

Article Publication: 50.00 (USD)
If this paper is accepted for publication, you will be asked to pay an Article Publication Fee to cover publications costs.

If you do not have funds to pay such fees, you will have an opportunity to waive each fee. We do not want fees to prevent the publication of worthy work.