Wolmarans, C., and K. de Kock. “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;, Vol. 29, no. 3, Jan. 2010, pp. 130-44, doi:10.4102/satnt.v29i3.17.