%0 Journal Article %B Ophthalmic epidemiology %D 2015 %G eng %N 3 %P 214-25 %R 10.3109/09286586.2015.1037401 %T The global trachoma mapping project: Methodology of a 34-country population-based study. %U http://www.tandfonline.com/doi/full/10.3109/09286586.2015.1037401 %V 22 %1

http://www.ncbi.nlm.nih.gov/pubmed/26158580?dopt=Abstract