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Genetic variability of hepatitis A virus.
Costa-Mattioli M, Napoli AD, Ferré V, Billaudel S, Perez-Bercoff R, Cristina J. Costa-Mattioli M, et al. Among authors: napoli ad. J Gen Virol. 2003 Dec;84(Pt 12):3191-3201. doi: 10.1099/vir.0.19532-0. J Gen Virol. 2003. PMID: 14645901 Review.