Information on the recommendations for the conduct, reporting, editing, and publication of scholarly work in medical journals can be found at: https://www.icmje.org

Information for Authors

All scientific responsibility for the manuscripts belongs to the author(s). The Editor-in-Chief, Editorial Board, reviewers, and publisher assume no responsibility for the scientific content of published articles.

Journal Abbreviation

Turk J Clin Lab

Manuscript Submission

All manuscripts must be submitted electronically through the DergiPark submission system.

Submission URL:
https://dergipark.org.tr/tr/pub/tjcl

The corresponding author is responsible for all communications with the journal throughout the submission and publication process.

Language

Manuscripts may be submitted in Turkish or English.

English-language manuscripts should be reviewed by a professional language editor before submission.

The editorial office reserves the right to make minor linguistic corrections without changing the scientific content of accepted manuscripts.

For Turkish manuscripts, authors should comply with the Turkish Language Association (TDK) spelling and grammar rules.

ARTICLE TYPES

TJCL accepts the following manuscript categories:

• Original Research Articles

• Systematic Reviews

• Meta-Analyses

• Review Articles

• Clinical and Laboratory Studies

• Short Communications

• Letters to the Editor

• Surgical Technique Reports

• Medical Education Studies

• Clinical Images

• Case Reports with significant scientific, clinical, or educational value

WORD LIMITS

MANUSCRIPT FORMAT

Manuscripts must be prepared using:

• Microsoft Word

• Times New Roman

• 12-point font size

• Double spacing

• 2.5 cm margins on all sides

• Consecutive page numbering

SI units should be used throughout the manuscript.

Abbreviations must be defined at first mention.

In Turkish manuscripts percentages should be written as “%50”; in English manuscripts as “50%”.

Decimal separators should be written as commas in Turkish manuscripts (55,78) and periods in English manuscripts (55.78).

MANUSCRIPT COMPONENTS

1. Cover Letter

The cover letter must:

• Be signed by the corresponding author.

• State that the manuscript has not been published previously and is not under consideration elsewhere.

• Declare any funding sources.

• Declare conflicts of interest.

• Confirm compliance with publication ethics principles.

2. Title Page

The title page must include:

• Full manuscript title in Turkish and English

• Running title in Turkish and English

• Full names of all authors

• Institutional affiliations of all authors

• ORCID IDs of all authors

• Corresponding author's name, address, telephone number, and e-mail address

• Funding information (if applicable)

• Conflict of interest statement

• Ethics Committee information (when applicable)

• Conference presentation information (if applicable)

ORCID

ORCID identifiers are mandatory for all authors.

3. Anonymous Main Document

The manuscript file must not contain author names or affiliations.

Main Title

Provide Turkish and English titles.

Abstract

Original Articles:

• Aim

• Materials and Methods

• Results

• Conclusion

Maximum 250 words.

Review Articles:

Maximum 300 words.

Case Reports:

Maximum 150 words.

Main Points

Authors must provide 3–5 bullet points summarizing the main scientific contributions of the study.

Main Points should be placed immediately after the abstract.

Keywords

Authors must provide 3–6 keywords.

English keywords must comply with MeSH (Medical Subject Headings).

Turkish keywords must comply with Türkiye Bilim Terimleri.

MANUSCRIPT STRUCTURE

Original Articles

• Introduction

• Materials and Methods

• Results

• Discussion

• Conclusion

Case Reports

• Introduction

• Case Presentation

• Discussion

• Conclusion

Review Articles

Authors may organize review articles according to the nature of the manuscript.

TABLES AND FIGURES

Tables and figures must be cited consecutively within the text.

Tables should be placed at the end of the manuscript file.

Each figure must be uploaded separately.

Images must be submitted in JPEG or TIFF format with a minimum resolution of 300 dpi.

Figure legends and table titles should be provided after the references section.

ETHICAL REQUIREMENTS

For studies involving humans, animals, biological materials, or clinical data:

• Ethics Committee Approval is mandatory.

• Ethics Committee Name, Approval Number, and Approval Date must be stated both on the title page and within the Materials and Methods section.

Human Studies

Authors must confirm compliance with the Declaration of Helsinki.

Informed consent must be obtained from all participants or their legal representatives.

Animal Studies

Authors must state compliance with institutional and international guidelines for laboratory animal care and use.

FUNDING, CONFLICT OF INTEREST, AND AUTHOR CONTRIBUTIONS

The manuscript must include:

Funding Statement

Conflict of Interest Statement

Author Contribution Statement

If no financial support was received:

"This study received no financial support."

If no conflicts exist:

"The authors declare no conflict of interest."

DATA SHARING STATEMENT

Authors are encouraged to provide information regarding the availability of research data, supplementary materials, and datasets.

ARTIFICIAL INTELLIGENCE (AI) POLICY

Artificial intelligence tools, including ChatGPT and similar technologies, cannot be listed as authors.

Any use of AI-assisted technologies during manuscript preparation must be clearly disclosed within the manuscript.

Authors remain fully responsible for the scientific content, originality, and accuracy of their work.

REFERENCES

References must be prepared according to ICMJE (Index Medicus) style.

References should be numbered consecutively according to their first appearance in the text.

References must be cited in square brackets before the punctuation mark.

Example:

[4,5]

If there are six or fewer authors, all authors should be listed.

If there are seven or more authors, list the first three authors followed by "et al."

DOI numbers should be included whenever available.

PROOFS

The corresponding author will receive page proofs before publication.

Only typographical corrections may be made at this stage.

Proof corrections must be returned within two days.

SUBMISSION CHECKLIST

□ Cover Letter

□ Title Page

□ Anonymous Main Document

□ ORCID IDs for all authors

□ Main Points

□ Ethics Committee Approval Document (if applicable)

□ Ethics Committee Approval Number and Date

□ Funding Statement

□ Conflict of Interest Statement

□ Author Contribution Statement

□ Data Sharing Statement

□ Figures uploaded separately (minimum 300 dpi)

□ Copyright Form