de Boer, ECde Jong, WHvan de Meijden, APMSteerenberg, PAal., et2025-03-122025-03-121991https://rivm.openrepository.com/handle/10029/633333Presence of activated lymphocytes in the urine of patients with superficial bladder cancer after intravesical immunotherapy with Bacillus Calmette-Guerin[Aanwezigheid van gactiveerde lymfocyten in de urine van patienten met oppervlakkige blaaskanker na intravesicale immunotherapie met bacillus Calmette-Guerin]ArticleCancer Immunol Immunother 1991; 33:411-62025-03-12