PT - JOURNAL ARTICLE ED - , TI - Taking the mystery out of Nova Scotia's tar ponds DP - 1997 Apr 01 TA - Canadian Medical Association Journal PG - 973--974 VI - 156 IP - 7 4099 - http://www.cmaj.ca/content/156/7/973.5.short 4100 - http://www.cmaj.ca/content/156/7/973.5.full SO - CMAJ1997 Apr 01; 156