Citation: Cc. Appleton et J. Heeg, Removal of calcium by Natalina cafra (Pulmonata : Rhytidae) from the shells of its prey., J MOLLUS ST, 65, 1999, pp. 271-273
Citation: Td. Brackenbury et Cc. Appleton, Structural damage to the foot-sole epithelium of Bulinus africanus following exposure to a plant molluscicide, MALACOLOGIA, 41(2), 1999, pp. 393-401
Citation: Cc. Appleton et al., The distribution of helminth infections along the coastal plain of Kwazulu-Natal province, South Africa, ANN TROP M, 93(8), 1999, pp. 859-868