[1] UNIV ALBERTA,FAC MED,DEPT PHARMACOL,EDMONTON T6G 2S2,AB,CANADA
[2] UNIV CALGARY,FAC MED,ALBERT HEART & STROKE CHAIR CARDIOVASC RES,DEPT PHARMACOL & THERAPEUT,CALGARY T2N 4N1,AB,CANADA
[3] UNIV CALGARY,FAC MED,SMOOTH MUSCLE GRP,CALGARY T2N 4N1,AB,CANADA
[4] UNIV CALGARY,FAC MED,CIBA GEIGY CANADA,CALGARY T2N 4N1,AB,CANADA