Cha, Seungman Hong, Sung-Tae Lee, Young-Ha Lee, Keon Cho, Dae Lee, Jinmoo Chai, Jong-Yil Elhag, Mousab Khaled, Soheir Elnimeiri, Mustafa Siddig, Nahid Abdelrazig, Hana Awadelkareem, Sarah Elshafie, Azza Ismail, Hassan Amin, Mutamad Additional file 1: of Nationwide cross-sectional survey of schistosomiasis and soil-transmitted helminthiasis in Sudan: study protocol Appendix A. Questionnaire for subjected students. (DOCX 26 kb) Nationwide survey;Schistosomiasis;Soil-transmitted helminthiasis;Mass drug administration;Mapping 2017-09-12
    https://springernature.figshare.com/articles/journal_contribution/Additional_file_1_of_Nationwide_cross-sectional_survey_of_schistosomiasis_and_soil-transmitted_helminthiasis_in_Sudan_study_protocol/5401294
10.6084/m9.figshare.c.3878290_D1.v1