1. Trichilemmal cyst with intrinsic parietal sebaceous and apocrine structures.;Hanau;Clin Exp Dermatol,1980
2. Perforating ossified (trichilemmal) sebaceous cyst. Apropos of a case.;Civatte;Ann Dermatol Syphiligr (Paris),1974
3. Oste omes cutane s.;Carton;Bull Soc Fr Dermatol Syphiligr,1968
4. Cutaneous ossification. Report of 120 cases and review of the literature.;Roth;Arch Pathol,1963
5. Uber heterotope Knochenbildungen in der Haut.;Strassberg;Virchows Arch Path Anat,1911