PT - JOURNAL ARTICLE AU - Chris, Allison TI - Norwalk-like viruses: When the runs can slow you down DP - 2003 Jan 07 TA - Canadian Medical Association Journal PG - 64--65 VI - 168 IP - 1 4099 - http://www.cmaj.ca/content/168/1/64.short 4100 - http://www.cmaj.ca/content/168/1/64.full SO - CMAJ2003 Jan 07; 168