treatment with an anticoagulant ( ac ) or acetylsalicylic acid ( asa ) , chosen at random , was given to 241 patients with symptoms of carotid transient attacks of ischemia , some of whom recovered completely within 24 hours ( tia ) while the others had slight residual symptoms ( tia-ir ) .
C0004057
acetylsalicylic acid
C0007787
tia