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Instructions to Authors

Paper types

Clinical Science will consider submission of the following paper types:

Research Papers– the normal form of publication, of approximately 6-8 printed pages

Guidelines on sections/article structure requirements:

  • The main text should include: Introduction, Experimental (Materials and Methods), Results and Discussion.
  • The ‘Materials and Methods’ section is included in the main text file and not provided as a supplementary file. All details needed to replicate the experiment must be included in the main text of the accepted article.
  • Clinical Perspectives (required section): Please include and clearly indicate a ‘Clinical Perspectives’ summary section within the main text of your manuscript. This section should be structured as three bullet-pointed sentences, indicating the following:

1. Background as to why the study was undertaken

2. A brief summary of the results

3. The potential significance of the results to human health and disease

Review articles– normally commissioned, although non-commissioned reviews will be considered for publication. Prospective authors should contact providing a short summary of the area they propose to cover or a draft of their article if available. Please note that meta-analyses, systematic and bibliographical reviews are not considered for publication by the journal.

Guidelines on length/ article structure requirements:

  • Reviews are usually 10,000-15,000 words and should include 4-5 figures. There is no limit on the number of references included. Review articles should be of broad interest and provide a balanced overview of the field. The use of main headings and subheadings to guide readers is encouraged.

Commentaries– normally commissioned; used to highlight and put into context a published research article, although non-commissioned commentaries can be considered. Prospective authors should contact editorial@portlandpress.comproviding a short summary of the area they propose to cover.

Guidelines on length/ article structure requirements:

  • Commentaries should be approx. 2500–3500 words in length and inclusion of at least one figure is encouraged.

Editorials– commissioned only

Guidelines on length/ article structure requirements:

  • Variable length, but usually short (can be less than 1000 words)

Perspectives and Opinions- normally commissioned. Perspectives should cover a personal viewpoint of the field, provide a balanced summary of the current thinking (challenges and controversies), and comment on emerging and future directions of the field or research. Content can include (but is not limited to) trends, techniques and ethical issues.

Guidelines on length/ article structure requirements:

  • Perspectives should be 2000-4000 words in length and can include figures

Correspondence/Comments/Letters to the Editor

Correspondence pieces should be informative and proactive. Any correspondence piece received by the journal regarding a published paper will be sent to the authors of said paper for a response prior to further assessment by the journal.

Guidelines on length/ article structure requirements:

  • There is no set length or format for correspondence.


Hypothesis papers are often commissioned, but non-commissioned papers are also considered. They should clearly set out the hypothesis to be tested at the beginning of the article, and then go on to prove/disprove the hypothesis in the rest of the paper.

Guidelines on length/ article structure requirements:

  • Hypothesis articles can vary in length, but are often approx. 4000 words

To prepare your paper for submission, please refer to the Publishing Life Cycle for guidance on:

  • what to include in your main text
  • preparing your figures
  • use of nomenclature

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