Postacchini F, Massobrio M (October 1983). "Idiopathic coccygodynia. Analysis of fifty-one operative cases and a radiographic study of the normal coccyx". J Bone Joint Surg Am. 65 (8): 1116–24. doi:10.2106/00004623-198365080-00011. PMID6226668.
Maigne, JY; Tamalet, B (1996). "Standardized radiologic protocol for the study of common coccygodynia and characteristics of the lesions observed in the sitting position". Spine. 21 (22): 2588–93. doi:10.1097/00007632-199611150-00008. PMID8961446. S2CID20186649.
Postacchini F, Massobrio M (October 1983). "Idiopathic coccygodynia. Analysis of fifty-one operative cases and a radiographic study of the normal coccyx". J Bone Joint Surg Am. 65 (8): 1116–24. doi:10.2106/00004623-198365080-00011. PMID6226668.
Maigne, JY; Tamalet, B (1996). "Standardized radiologic protocol for the study of common coccygodynia and characteristics of the lesions observed in the sitting position". Spine. 21 (22): 2588–93. doi:10.1097/00007632-199611150-00008. PMID8961446. S2CID20186649.
Maigne, JY; Tamalet, B (1996). "Standardized radiologic protocol for the study of common coccygodynia and characteristics of the lesions observed in the sitting position". Spine. 21 (22): 2588–93. doi:10.1097/00007632-199611150-00008. PMID8961446. S2CID20186649.
Onghena, Patrick; Van Houdenhove, Boudewijn (1992). "Antidepressant-induced analgesia in chronic non-malignant pain: a meta-analysis of 39 placebo-controlled studies". Pain. 49 (2): 205–219. doi:10.1016/0304-3959(92)90144-z. PMID1535121. S2CID17744448.