Sure you didn't both give her warfarin?
I gave warfarin, she gave heparin.
Highly unlikely. We started her on heparin before the warfarin. Who gave her the heparin?
Highly unlikely. We started her on heparin before the warfarin. Who gave her the heparin? [SEP] I gave warfarin, she gave heparin. [SEP] Sure you didn't both give her warfarin?