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Citation: Bh. Robertson et al., Genetic relatedness of hepatitis A virus isolates during a community-wide outbreak, J MED VIROL, 62(2), 2000, pp. 144-150

Authors: Smith, N Yusuf, H Averhoff, F

Citation: N. Smith et al., Surveillance and prevention of hepatitis B virus transmission, AM J PUB HE, 89(1), 1999, pp. 11-13