{"paper_id":"b1aa7e37-7e0d-4008-95d8-c7903094137b","body_text":"References\nWilliams JC, Burnett TL, Jones T, Venkatesh SK., Van Buren WM (2019) Association between kissing and retropositioned ovaries and severity of endometriosis: MR imaging evaluation. Abdom Radiol. https://doi.org/10.1007/s00261-019-02153-6\nNisenblat V, Bossuyt PMM, Farquhar C, Johnson N, Hull ML (2016) Imaging modalities for the non-invasive diagnosis of endometriosis. Cochrane Database Syst Rev Art. No.: CD009591. https://doi.org/10.1002/14651858.CD009591.\nGhezzi F, Raio L, Cromi A, et al (2005) “Kissing ovaries”: A sonographic sign of moderate to severe endometriosis. Fertil Steril 83:143–7. https://doi.org/10.1016/j.fertnstert.2004.05.094\nGerges B, Lu C, Reid S, Chou D, Chang T, Condous G (2017) Sonographic evaluation of immobility of normal and endometriotic ovary in detection of deep endometriosis. Ultrasound Obstet Gynecol 49:793–8. https://doi.org/10.1002/uog.15990\nAuthor information\nAuthors and Affiliations\nCorresponding author\nAdditional information\nPublisher's Note\nSpringer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.\nRights and permissions\nAbout this article\nCite this article\nLeonardi, M., Condous, G. Re: Association between kissing and retropositioned ovaries and severity of endometriosis: MR imaging evaluation. Abdom Radiol 45, 1645–1646 (2020). https://doi.org/10.1007/s00261-019-02224-8\nPublished:\nVersion of record:\nIssue date:\nDOI: https://doi.org/10.1007/s00261-019-02224-8","source_license":"CC0","license_restricted":false}