A prospective surveillance study in haemophilia B patients following a population switch to recombinant factor IX (nonacog gamma). - Dubé E; Merlen C; Bonnefoy A; Gauthier J; Castilloux JF; Cloutier S; Demers C; Sabapathy CA; St-Louis J; Vézina C; Warner M; Rivard GÉ (Haemophilia : the official journal of the World Federation of Hemophilia, 2021)