Sentence: We gave 2 , 3 , 5 and 5 mg/day/body of recombinant tissue plasminogen activator ( tPA ) followed by heparin and prostaglandin E1 ( PGE1 ) effectively and without significant side effect on days 9 , 10 , 13 and 14 , respectively .
Drug combination annotation:
[{'class': 'POS', 'spans': ['tissue plasminogen activator', 'heparin', 'prostaglandin E1'], 'is_context_needed': False}]