Schets, FMHavelaar, AH2025-03-122025-03-121991https://rivm.openrepository.com/handle/10029/632942Comparison of indole production and beta-glucuronidase activity for the detection of Escherichia coli in a membrane filtration method.ArticleLett Appl Microbiol 1991; 13:272-42025-03-12