European Journal of Surgical Oncology, 47(7), 1691-1697. W.B. Saunders European Journal of Surgical Oncology, 47, 7, pp. 1691-1697 European Journal of Surgical Oncology, 47, 1691-1697 European Journal of Surgical Oncology, 47(7), 1691-1697. ELSEVIER SCI LTD European Journal of Surgical Oncology, 47(7), 1691-1697. W.B. Saunders Ltd European journal of surgical oncology, 47(7), 1691-1697. W.B. Saunders Ltd EJSO-European Journal of Surgical Oncology, 47(7), 1691-1697. ELSEVIER SCI LTD participants of the Dutch Gynecological Oncology Collaborator Group 2021, ' Clinical auditing as an instrument to improve care for patients with ovarian cancer: The Dutch Gynecological Oncology Audit (DGOA) ', European Journal of Surgical Oncology, vol. 47, no. 7, pp. 1691-1697 . https://doi.org/10.1016/j.ejso.2021.01.019