Boxman, ILAVerhoef, LDijkman, RHagele, Gte Loeke, NAJMKoopmans, M2025-03-202025-03-20201121378056https://rivm.openrepository.com/handle/10029/645835Year-round prevalence of norovirus in the environment of catering companies without a recently reported outbreak of gastroenteritisArticleAppl Environ Microbiol 2011; 77(9):2968-742025-03-20