Are census data accurate for estimating coverage of a lymphatic filariasis MDA campaign? Results of a survey in Sierra Leone. oleh Wogba Kamara, Kathryn L Zoerhoff, Emily H Toubali, Mary H Hodges, Donal Bisanzio, Dhuly Chowdhury, Mustapha Sonnie, Edward Magbity, Mohamed Samai, Abdulai Conteh, Florence Macarthy, Margaret Baker, Joseph B Koroma