Wolmarans C, de Kock K, le Roux J. The use of questionnaires and parasitological analyses to identify groups at low risk of becoming infected with bilharziasis and the factors that might contribute to this in a community in the endemic area in South Africa. SATNT [Internet]. 23Sep.2004 [cited 22Dec.2024];23(4):99-03. Available from: http://satnt.co.za/index.php/satnt/article/view/106