Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleResponse to comments by Kalager et al. and Zahl et al.AuthorsFalk, Ragnhild Sørum; Hofvind, Solveig; Skaane, Per; Haldorsen, TorPublicationInternational Journal of Cancer, 2013, Vol 133, Issue 11, p2756ISSN0020-7136Publication typeArticleDOI10.1002/ijc.28247