The Karma system is currently undergoing maintenance (Monday, January 29, 2018).
The maintenance period has been extended to 8PM EST.

Karma Credits will not be available for redeeming during maintenance.

Journal of Medical Internet Research

Citing this Article

Right click to copy or hit: ctrl+c (cmd+c on mac)

Published on 25.06.12 in Vol 14, No 3 (2012): May-Jun

This paper is in the following e-collection/theme issue: