McOmish, F, Yap, P L, Dow, B C, Follett, E A, Seed, C, Keller, A J, Cobain, T J, Krusius, T, Kolho, E, Naukkarinen, R, Lin, C, Lai, C, Leong, S, Medgyesi, G A, Hejjas, M, Kiyokawa, H, Fukada, K, Cuypers, T, Saeed, A A, Alrasheed, A M, Lin, M & Simmonds, P 1994, ' Geographical distribution of hepatitis C virus genotypes in blood donors : an international collaborative survey ', Journal of Clinical Microbiology, vol. 32, no. 4, pp. 884-92 .