WORD COUNT LIMITS

Article Group Article Type

Word Count (including references and title page)

Allowed Reference Count Allowed Illustrations
(Tables & Figures)
Invited Articles Editorial No Limit No Limit No Limit
Super Short Articles Corrections Up to 500 Words 5 1
Retraction
Partial Retraction
Obituary
News
Reply
Short Articles Meeting Report Up to 1500 Words 20 3
Introduction
In Brief
Letter
Brief Report
Article Commentary
Rapid Communication
Discussion
Abstract
Announcement
Calendar
Normal Articles Research Article Up to 3500 Words 55 5
Case Report
Methods Article
Book Review
Long Articles Review Article Up to 5000 words 85 7
Systematic Review
Meta Analysis