OBJN ensures the rights and duties related to research participants and the scientific community; therefore, it does not publish manuscripts that do not comply with the ethical and legal aspects of research with human beings.

Research involving human beings must comply with CNS Resolution nº 466/2012 or 510/2016 and mention in the text the approval number of the research project by an Ethics Committee recognized by the National Research Ethics Commission, of the National Health Council, or equivalent, when carried out in another country.

Research involving the care and use of animals must respect Law nº 11.794 (October 8, 2008), regulated by item VII of §1 of Art. 225 of the Federal Constitution and follow the Guide for the Care and Use of Laboratory Animals and the Brazilian Guideline for the Care and Use of Animals for Scientific and Didactic Purposes from the National Council for Control of Animal Experimentation (CONCEA).

OBJN follows the recommendations of the International Committee of Medical Journal Editors (ICMJE) regarding the roles and responsibilities of authors, reviewers, editors, and owners; issues of publishing and editing in medical journals; and preparation and submission of manuscripts. Therefore, editors and other members of the editorial team refrain from making decisions if there are any conflicts of interest or relationships linked to the articles under consideration.

The recommendation for registration in a public clinical trial registration system is also emphasized, in addition to the methodological guidelines suggested in the Equator network.

OBJN is affiliated with the Brazilian Association of Science Editors (ABEC) and follows the recommendations for editors and authors from the Code of Conduct and Best Practice Guidelines for Journal Editors from the Committee on Publication Ethics (COPE).

OBJN condemns plagiarism and self-plagiarism practices; therefore, to maintain its academic reputation, the journal adopts iThenticate for checking manuscript similarity. Manuscripts originating from dissertations and/or theses must have their information properly filled out on the Title Page.

Furthermore, aiming to value the development of open access scientific communication, OBJN accepts publications previously deposited on preprints servers, provided that at the time of submission via ScholarOne this aspect is informed on the Title Page, with indication of the DOI and the name of the server where it is deposited. The published preprint article must obey a license that allows sharing the material in any format or medium (Creative Commons – CC-BY).