@ARTICLE\{IMM2007-04363,
    author       = "H. Spliid",
    title        = "Monitoring medical procedures by exponential smoothing",
    year         = "2007",
    pages        = "124-138",
    journal      = "Statistics in medicine",
    volume       = "26",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4363-full.html"
}