%0 Letter %T Comment on: Bivalirudin during thrombolysis with catheter-directed tPA in a heparin-refractory patient: A case report. %A Han JH %J Pediatr Blood Cancer %V 71 %N 6 %D 2024 Jun 31 %M 38556764 %F 3.838 %R 10.1002/pbc.30992