by Bin Abdulhak, Aref A, Altannir, Mohamad A, Almansor, Mohammed A, Almohaya, Mohammed S, Onazi, Atallah S, Marei, Mohammed A, Aldossary, Oweida F, Obeidat, Sadek A, Obeidat, Mustafa A, Riaz, Muhammad S, Tleyjeh, Imad M
Published in BMC public health (07.07.2011)