Methods for rapid biotyping of Vibrio cholerae based on toxin-coregulated Pilus-protein A (TcpA) variation - Ferreira, R.E.S.; Barnard, T.G.; Koorsen, G. (Suid-Afrikaans Tydskrif vir Natuurwetenskap en Tegnologie / South African Journal of Science and Technology, 2014)