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Information for Authors

Clinical Chemistry is published by the American Association forClinical Chemistry (AACC). The journal welcomes contributions oforiginal information, experimental or theoretical, that advance thescience of clinical chemistry. Submissions should adhere to the “Uni-form Requirements for Manuscripts Submitted to Biomedical Jour-nals” (http://www.icmje.org/).

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Clinical Chemistry (ISSN 0009-9147) is published monthly by theAmerican Association for Clinical Chemistry, 1850 K Street, NW,Suite 625, Washington, DC 20006.

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Advertising Inquiries: Contact Scherago International, Inc., 525Washington Blvd., Suite 3310, Jersey City, NJ 07310. Telephone201.653.4777; fax 201.653.5205; e-mail [email protected]; Internethttp://www.scherago.com.

Copyright © 2011 The American Association for Clinical Chemistry.All rights reserved. Printed in the United States of America. Photo-copying beyond that permitted by Sections 107 or 108 of the USCopyright Law is authorized by the American Association for Clini-cal Chemistry, for internal or personal use, provided that (a) the feeis paid directly to the Copyright Clearance Center, Inc., 222 Rose-wood Drive, Danvers, MA 01923; or (b) a photocopy license has beengranted by the CCC. Fees are subject to change. This consent does notextend to other kinds of copying, such as for general or externaldistribution, resale, advertising, promotional purposes, or for creat-ing new collective works; for these purposes, contact the Director ofPublications, AACC, 1850 K Street, NW, Suite 625, Washington, DC20006. Telephone 202.857.0717; fax 202.833.4568, e-mail [email protected].

Periodicals postage paid at Washington, DC and at additional mail-ing offices. POSTMASTER: send address changes to Clinical Chem-istry, 1850 K Street, NW, Suite 625, Washington, DC 20006.

AACC OfficersAnn M. Gronowski, PresidentGreg Miller, President-ElectCatherine A. Hammett-Stabler,

Past PresidentElizabeth L. Frank, SecretaryD. Robert Dufour, Treasurer

AACC Board of DirectorsDavid E. BrunsDavid G. GrenachePatricia M. JonesDavid D. KochRobert L. MurrayGregory J. Tsongalis

6A

Quick Guide toSubmission

For additional article types and detailed instructions, please see our Information for Authors athttp://www.clinchem.org/info_ar/info_authors.shtml.

Type of Submission*WordLimit

Structured (S) orUnstructured (U)

Abstract: Word Limit

MaximumNumber ofReferences

Total Number ofTables/Figures

Article 3,500 S: 250 40 6

Brief Communication 1,500 S: 250 20 1 each

Citation Classics 600 Nonapplicable 6 Nonapplicable

Clinical Case StudyCase descriptionCase discussion3–5 questions and up to 5 pointsto remember

5001,000 Nonapplicable 10 2

Clinical Case Study Commentary 300 Nonapplicable Nonapplicable Nonapplicable

Editorial 1,500 Nonapplicable 15 Nonapplicable

Letters to the Editor / Reply 750 Nonapplicable 5 1

Mini-Review 3,500 S: 250 40 4

Opinion 1,500 Nonapplicable 15 1

Perspective 1,500 Nonapplicable 5 1

Q&A 3,500 Nonapplicable Nonapplicable Nonapplicable

Review 5,000 S: 250 75 6

What Is Your Guess?Case description3 questionsCase discussion

75

75Nonapplicable 5 1

�This chart represents common types of submissions to Clinical Chemistry.

Manuscript Formatting▫ Double-spaced text, 1-inch margin, 12-point font size in Arial, Helvetica, or Times New Roman▫ Numbered pages with references numbered sequentially in main text▫ Title page listing title, authors (first name, middle initial, last name), each author’s affiliation during

the study, corresponding author’s contact information, running title, keywords, list of any previouspresentation of manuscript, and any disclaimers

▫ Reference list formatted according to Information for Authors with Journal abbreviations in the reference listchecked against the National Center for Biotechnology Information database (http://www.ncbi.nlm.nih.gov/)

▫ SI units used throughout manuscript according to Information for Authors

Metadata (to be entered online)▫ A valid and unique e-mail for each author▫ Authors’ current institution, address, telephone, and fax▫ Author Disclosure Forms and Contribution Forms to be completed by each author before submission.

Copyright Transfer Agreement to be completed by each author after acceptance.▫ Clinical Chemistry manuscript number of any companion papers (if applicable)

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is required for all studies or trials of the diagnostic accuracy or performance of a diagnostic test; a CONSORTdiagram is required for all randomized and Phase III trials; a MIAME checklist is required for all studies thatpresent data for microarray experiments.

▫ All studies involving human study participants must indicate that they are in compliance with theDeclaration of Helsinki ethical principles for medical research involving human study participants.A statement must be included in the text that Institutional Review Board approval was obtained andwritten informed consent obtained from study participants.

Permissions▫ Written permission from the copyright holder is required to reproduce any copyrighted material

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Follow the Leader in Vitamin D Testing - Clinical Chemistry