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Journal of Cancer Epidemiology
Volume 2014, Article ID 394696, 11 pages
Review Article

Smokeless Tobacco and Oral Cancer in South Asia: A Systematic Review with Meta-Analysis

1Leibniz Institute for Prevention Research and Epidemiology-BIPS, Achterstraße 30, 28359 Bremen, Germany
2Khyber Medical University, Peshawar 25000, Pakistan

Received 7 February 2014; Revised 7 May 2014; Accepted 8 June 2014; Published 6 July 2014

Academic Editor: Lance A. Liotta

Copyright © 2014 Zohaib Khan et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Supplementary Material

The supplementary table: provides additional details about the characteristics of the included publications such as the site of cancer, name of the city/s where the study was conducted, type of controls used (hospital or population), sexes involved in the study and length of the followup for cohort studies etc.

  1. Supplementary Table