We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleAnalysis of interrupted time series mortality trends: an example to evaluate regionalized perinatal care.AuthorsGillings D; Makuc D; Siegel EPublicationAmerican journal of public health, 1981, Vol 71, Issue 1, p38ISSN0090-0036Publication typearticleDOI10.2105/ajph.71.1.38