WOLMARANS, C.; DE KOCK, K. Egg excretion patterns as criterion for the determination of prevalence and intensity of infection in male and female individuals in different age groups in a schistosome endemic area in the Limpopo Province. Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / <i>South African Journal of Science and Technology</i&gt;, v. 29, n. 3, p. 130-144, 13 jan. 2010.