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Junaid A Razzak*, Muhammad S Shamim, Amber Mehmood, Syed A Hussain, Mir S Ali and Rashid Jooma*
* Corresponding authors: Junaid A Razzak junaid.razzak@aku.edu - Rashid Jooma rashidjooma@gmail.com
BMC Public Health 2012, 12:357 doi:10.1186/1471-2458-12-357
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