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Smits, Saskia L., Leo L.M Poon, Marije van Leeuwen, Pui-Ngan Lau, Harsha K.K Perera, Joseph S. Malik Peiris, James Simon, and Albert Osterhaus. Genogroup I and II Picobirnaviruses in Respiratory Tracts of Pigs. Centers for Disease Control and Prevention, 2011.

Smits, Saskia L., et al. Genogroup I and II Picobirnaviruses in Respiratory Tracts of Pigs. Centers for Disease Control and Prevention, 2011.