2019, ' Validation of the Bluebelle Wound Healing Questionnaire for assessment of surgical-site infection in closed primary wounds after hospital discharge ', British Journal of Surgery, vol. 106, no. 3, pp. 226-235 . https://doi.org/10.1002/bjs.11008 The British Journal of Surgery Bluebelle Study Group 2018, ' Validation of the Bluebelle Wound Healing Questionnaire for assessment of surgical-site infection in closed primary wounds after hospital discharge ', British Journal of Surgery . https://doi.org/10.1002/bjs.11008