PT  - JOURNAL ARTICLE
ED  - ,
TI  - WHO marks 25th anniversary of last naturally acquired smallpox case
DP  - 2002 Nov 26
TA  - Canadian Medical Association Journal
PG  - 1278--1278-a
VI  - 167
IP  - 11
4099  - http://www.cmaj.ca/content/167/11/1278.2.short
4100  - http://www.cmaj.ca/content/167/11/1278.2.full
SO  - CMAJ2002 Nov 26; 167