Musculoskeletal disorders of the upper extremities due to extensive usage of hand held devices. 03 Mar, 2014 Posted on March 17, 2014 - 12:59 pm by drsharan-admin Ann Occup Environ Med. 2014 Aug 6;26:22. https://doi.org/10.1186/s40557-014-0022-3. PMID: 25852936; PMCID: PMC4387778 (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4387778/)