Article info

Download PDFPDF

Assessing the potential for bias in direct observation of adult commuter cycling and helmet use
Free

Authors

  1. Correspondence to Professor John D Kraemer, Department of Health Systems Administration, Georgetown University, 3700 Reservoir Road, NW, 231 St Mary's Hall, Washington, DC 20007, USA; jdk32{at}georgetown.edu
View Full Text

Citation

Kraemer JD, Zaccaro HN, Roffenbender JS, et al
Assessing the potential for bias in direct observation of adult commuter cycling and helmet use

Publication history

  • Received April 27, 2014
  • Revised June 5, 2014
  • Accepted July 1, 2014
  • First published July 18, 2014.
Online issue publication 
May 13, 2016

Article Versions

Request permissions

If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.