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Instructions to Author

World Journal of Laparoscopic Surgery publishes original articles, reviews, meta-analyses, randomized clinical trials and leading articles, all of which are submitted to peer review.  An article is reviewed for publication on the assumption that its contents have not been submitted simultaneously to other journals of the world, have not been accepted for publication elsewhere and have not already been published. Any attempt at dual publication will lead to automatic rejection, may prejudice acceptance of future submissions, and may be highlighted within the pages of the Journal.  Please submit with your manuscript copies of any other papers (including abstracts) - published, in press, or submitted for consideration elsewhere -that relate in whole or in part to the same data set; this is essential to enable assessment of any potential overlap.  Indicate on the title page whether the paper is based on a previous communication to a society or meeting. Articles and their illustrations become the property of the Journal unless rights are reserved before publication.

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1.        Article types

(a)     Leading articles

The Editors commission leading articles of 800-1000 words and up to ten references. A single author is preferred. Submissions may be subjected to peer review and the Editors retain the right to alter textual style. An honorarium is payable on publication.

(b)     Reviews and meta-analyses

Priority will be given to work that addresses a topic of current interest. The corresponding author of an accepted review will receive an honorarium. All meta-analyses of randomized trials must adhere to the guidelines outlined in the QUORUM statement, which is designed to improve manuscript quality (Lancet 1999; 354: 1896-900). Authors must include a suitable QUORUM flow chart in their submission. Further advice on suitability is available from the Editorial Office.

(c)     Prospective clinical trials

WORLD JOURNAL OF LAPAROSCOPIC SURGERY  expects all authors to register prospective clinical trials in a suitable electronic and freely accessible registry (e.g. clinicaltrials.gov, controlled-trials.com or who.int/ictrp), according to the International Committee of Medical Journal Editors (ICJME) guidelines. 

(d)     Original articles

Original articles should normally be in the format of Introduction, Patients and methods, Results and Discussion. Provide a structured abstract of fewer than 200 words.

(e)     Correspondence

The Editors welcome topical correspondence from readers relating to articles published in the Journal. Letters should be sent electronically via the WORLD JOURNAL OF LAPAROSCOPIC SURGERY  website  www.worldjls.org . All letters will be reviewed and, if approved, appear on the website. A selection of these will be edited and published in the Journal. Letters must be no more than 250 words in length.

2.        Preparation of manuscripts

WORLD JOURNAL OF LAPAROSCOPIC SURGERY  subscribes to the policy of uniform requirements for manuscripts; this facilitates resubmission of papers to journals without extensive recasting.
The Authors are responsible for the accuracy of their work, including all statistical calculations and drug doses. When quoting specific materials, equipment and proprietary drugs the name and address of the manufacturer must be given in parentheses. Generic names should normally be used.

(a)     Preferred file formats

Preferred file formats for the text and tables of your manuscript are .doc or .rtf. Figures should be .tiff or .eps. Please note: WORLD JOURNAL OF LAPAROSCOPIC SURGERY  does not accept Microsoft 2007 documents at this time.  Please use Word's "Save As" option to save your document as an older (.doc) file type. Other restricted file extensions are .shs, .zip, .exe, .com, .vbs and .pdf.

(b)     Title page

On the title page give:

(1) the title of the article
(2) the name and initials of each author
(3) the department and institution to which the work should be attributed
(4) the name, postal and e-mail addresses, telephone and facsimile numbers of the author responsible for correspondence and to whom requests for reprints should be addressed
(5) sources of financial support
(6) the category in which the manuscript is being submitted (original article, review, etc.); and
(7) whether the paper is based on a previous communication to a society or meeting

(c)     Abstract

This must contain fewer than 200 words in a structured format. Background: state why the study was done and its main aim. Identify the nature of the study; for example, randomized clinical trial, retrospective review, experimental study, etc. Method: describe patients, laboratory material and other methods used. Results: state the main findings, including important numerical values. Conclusion: state the main conclusions, highlighting controversial or unexpected observations.

(d)     Main text

The main text of the paper may have separate Introduction, Patients and Methods, Results and Discussion sections.  A short Acknowledgements paragraph may also be included. 

(e)     Tables and illustrations

Submit each illustration as a separate file except compound figures e.g. 1a, 1b, 1c etc, which should be supplied as a single file.  Type each table on a separate page with a brief title. Supply artwork at the intended size for printing. Line drawings are acceptable as clear black on white graphics and must be high quality. Use hatchings, not tints. All illustrations must be supplied at the correct resolution: Please see the links of important website with study material related to laparoscopy: Links
1200 dpi (dots per inch) for black and white line art (simple bar graphs, charts, etc.)
300 dpi for halftones (black and white photographs)
600 dpi for combination halftones (photographs that also contain line art such as labelling or thin lines)
Illustrations in colour are encouraged and will be printed at no cost to the author. Label each illustration with the figure number and lead author's name. Indicate the top of the illustration and a measure of magnification for photomicrographs. Include explanations of symbols and shading within the figure. Survival curves must be accompanied by a table giving the actual numbers of patients involved and should be truncated when the numbers at risk are small; that is, when they are less than one-third of the starting figure. Include in the legends to illustrations, and the footnotes to tables, brief but comprehensive explanations of all the information presented. Look at recent issues of the Journal for examples of accepted layout.

(f)       Abbreviations

Avoid using abbreviations. Terms that are mentioned frequently may be abbreviated but only if this does not impair comprehension. Abbreviations must be used consistently and must be defined on first use.

(g)     Numbers and units

Provide absolute numbers always; percentages may be given in addition but never on their own (percentages are not acceptable for sample sizes less than 50). Use the decimal point, not a comma; for example 5.7. Use a space and not a comma after thousands and multiples thereof; for example 10 000. Use SI units (International System of Units) except for the measurement of blood pressure (mmHg).

 (4)       References

Use double spacing in the Vancouver style. Reference to abstracts and personal communications is discouraged. In the text, number references consecutively by superscript: [1] or [1, 2, 3]. References cited only in tables or figures should be numbered in sequence. You can see many format of article from important resources of important laparoscopic webites.