Author response to: Comment on: Reintervention or mortality within 90 days of bariatric surgery: a population-based cohort study Validity and power of Nordic registry-based research.
J KauppilaG SantoniW TaoV KoivukangasL TryggvadóttirE Ness-JensenP RomundstadM von Euler-ChelpinJesper LagergrenPublished in: The British journal of surgery (2020)