Mayfong Mayxay , Tiengthong Khomthilat , Phoutthalavanh Souvannasing , Khamphouvanh Phounesavath , Banlieng Vorasane , Sommay Keomany , Phouvieng Douangdala , Khamseng Philavong , Leila Srour and Paul N Newton
BMC Public Health 2007, 7:193doi:10.1186/1471-2458-7-193
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