00456pab a2200145 454500008004000000100001900040245012800059260000900187300001500196362000800211650003300219650002400252700001600276773001800292180718b2006   xxu||||| |||| 00| 0 eng d  aAli, S. Harris  aGlobal cities and the spread of infectious disease: the case of severe acute respiratory Syndrome (SARS) in Toronto, Canada  c2006  ap.491-509.  aMar  aInfectious diseases - Canada  aInfectious diseases  aKeil, Roger  aUrban Studies