warfarin,apixaban,edoxaban,rivaroxaban,dabigatran
boehringer ingelheim,pfizer,janssen,bms,daiichi sankyo,bayer
['warfarin', 'edoxaban', 'dabigatran', 'rivaroxaban', 'apixaban']
history of anticoagulant therapy
#ash22 
Haemato-lymphoid Oncology I Bone Marrow ( Stem Cell) Transplant I Blood & Marrow disease I Believers Church Medical College Hospital