van der Does-van den Berg, AHermans, JNagel, Jvan Steenis, G2025-03-102025-03-101981https://rivm.openrepository.com/handle/10029/628922Immunity to diphtheria, pertussis, tetanus and poliomyelitis in children with acute lymphocytic leukemia after cessation of chemotherapyArticlePediatrics 67 (1981) 2222025-03-10