PT - JOURNAL ARTICLE AU - MiĊĦak, Aleksandra TI - New outbreaks of polio: WHO issues travel warning AID - 10.1503/cmaj.1041093 DP - 2004 Aug 03 TA - Canadian Medical Association Journal PG - 231--231 VI - 171 IP - 3 4099 - http://www.cmaj.ca/content/171/3/231.short 4100 - http://www.cmaj.ca/content/171/3/231.full SO - CMAJ2004 Aug 03; 171