PT - JOURNAL ARTICLE AU - Edward D. Ralph TI - Powassan encephalitis DP - 1999 Nov 30 TA - Canadian Medical Association Journal PG - 1416--1417 VI - 161 IP - 11 4099 - http://www.cmaj.ca/content/161/11/1416.short 4100 - http://www.cmaj.ca/content/161/11/1416.full SO - CMAJ1999 Nov 30; 161