PT - JOURNAL ARTICLE AU - Laura Aiken TI - The cold truth about snowmobiling DP - 2003 Mar 18 TA - Canadian Medical Association Journal PG - 753--753-b VI - 168 IP - 6 4099 - http://www.cmaj.ca/content/168/6/753.3.short 4100 - http://www.cmaj.ca/content/168/6/753.3.full SO - CMAJ2003 Mar 18; 168