Mohammed A Al Shafaee , Sulaiman Al-Shukaili , Syed Gauher A Rizvi , Yahya Al Farsi , Mushtaq A Khan , Shyam S Ganguly , Mustafa Afifi and Samir Al Adawi
BMC Public Health 2008, 8:249doi:10.1186/1471-2458-8-249