00274nam a2200109Ia 4500008004100000082001800041100001900059245002500078250000900103260004400112300000800156240913s9999||||xx |||||||||||||| ||und||  a616.01  IRV/M  aWilliam irving 0aMedical microbiology  aNULL  bTaylor and Francis GroupaNewyorkc2005  a350