clinical deterioration , or a new tia or stroke was more likely ( p = 0.01 ) during the 24 hours after heparin was stopped in patients not already on aspirin or warfarin ( 10/143 , 7 % ) than in patients receiving aspirin or warfarin before heparin withdrawal ( 3/215 , 1 % ) .
C0007787
tia
C0043031
warfarin