PT - JOURNAL ARTICLE AU - Melissa Helferty AU - Julie Vachon AU - Jill Tarasuk AU - Rachel Rodin AU - John Spika AU - Louise Pelletier TI - Incidence of hospital admissions and severe outcomes during the first and second waves of pandemic (H1N1) 2009 AID - 10.1503/cmaj.100746 DP - 2010 Nov 08 TA - Canadian Medical Association Journal 4099 - http://www.cmaj.ca/content/early/2010/11/08/cmaj.100746.short 4100 - http://www.cmaj.ca/content/early/2010/11/08/cmaj.100746.full