00579nam a2200169Ia 450000500170000000800410001703500090005804100080006708200120007510000200008724500680010726000360017530000150021150500990022665000520032570000320037720260808125313.0260808s9999||||xx |||||||||||||| ||und||  a1433  aENG  a616.019  aCiba Foundation 0aVirus virulence and pathogenicitybin honour of prof. J. Mulder  aLondonbJ and A Churchillc1960  aviii + 114  aViral virulence, Viral pathogenicity, Virology, Infectious diseases, Host-pathogen interaction  aCIBA FoundationbPathology -- Internal medicine  aWolstenholme G. E. W. (ed.)