TY - JOUR T1 - tPA for acute stroke: balancing baseline imbalances JF - Canadian Medical Association Journal JO - CMAJ SP - 1652 LP - 1653 VL - 166 IS - 13 AU - David Gladstone AU - Michael Hill AU - Sandra Black Y1 - 2002/06/25 UR - http://www.cmaj.ca/content/166/13/1652.abstract ER -