Cilliers, L., & Retief, F. (2013). Infection in the Graeco-Roman era with the emphasis on epidemic ilness. Suid-Afrikaans Tydskrif Vir Natuurwetenskap En Tegnologie / <i>South African Journal of Science and Technology</I&gt;, 32(1), 4 bladsye. https://doi.org/10.4102/satnt.v32i1.331