Proceedings of the National Academy of Sciences

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Welcome to the PNAS online submission and peer review system. Listed below are tools and guidelines to help you prepare your manuscript for submission.

PNAS Information for Authors
Procedures for submitting manuscripts including formatting requirements, file preparation, publication charges, etc., are all identified within the Information for Authors.

*NEW* Check Manuscript Length
Click here to access a tool designed to provide authors with an estimate of whether their manuscript fits within the print publication requirements before actually submitting to the journal.

Length Estimate Guidelines
In order for the system to calculate a length estimate to determine if a manuscript fits within the print publication requirements of no more than 6 journal pages for research articles, authors submitting Microsoft Word files must type "\body" (without quotes) immediately before the introduction section of their manuscript (and then include the standard section headings of a research article).

PNAS LaTeX template
Authors submitting LaTeX files are encouraged to use the PNAS LaTeX template. The template plus associated class (.cls) and style (.sty) files, instructions for use, and sample files are also available.

Policy Update on "Data Not Shown"
Statements such as “data not shown” and “personal communication” cannot be used to support claims in the work. Authors are encouraged to use Supporting Information to show all necessary data, or to deposit their data in a publicly accessible database if posting as Supporting Information is not possible. References to “data not shown” are not allowed and should be removed prior to submission.

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