@article{:/content/10.2807/ese.14.23.19234-en, author = "Pezzoli, L and Campbell, C and Lamagni, T L and Johnson, E and Saei, A and Duckworth, G", title = "A methodological approach to investigating a nationwide clinical specimen contamination problem in England", journal = "Eurosurveillance", year = "2009", volume = "14", number = "23", eid = 19234, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/ese.14.23.19234-en", doi = "https://doi.org/10.2807/ese.14.23.19234-en" }