https://presse.inserm.fr/la-persistance-de-cellules-memoires-b-resistantes-au-rituximab-contribue-aux-rechutes-des-patients-adultes-atteints-de-thrombopenie-immunologique/42661 2021 false false false France French scientific and technical information recurrence Rituximab immunologic memory Thrombocytopenia Due to Immune Destruction b-lymphocytes drug resistance