Back pack injuries in Indian school children: risk factors and clinical presentations. 03 Mar, 2012 Posted on March 21, 2012 - 11:47 am by drsharan-admin Work. 2012;41 Suppl 1:929-32. doi: 10.3233/WOR-2012-0265-929. PMID: 22316840 Sharan D, Ajeesh PS, Jose JA, Debnath S, Manjula M.