pembrolizumab,nivolumab
merck,bms
['lymphoma', 'lysa']
efficacy of anti-pd1 therapy in relapsed or refractory extranodal nk/t cell lymphoma: a matched cohort analysis from the lysa #eha23 
Professor of hematology, Universitary hospital of Sidi Bel Abbés.
Head, Hospitalisation and  Geriatric Unit.