1. Hyperostose des gesammten skelettes;Friedrich, N.;Virchows Arch (A)
2. Un syndrome osteodermopathique: la pachydermie plicaturee avec pachyperiostose des extremites;Touraine, A.; Solente, G.; Gole, L.;PresseMed,1935
3. Double lip with blepharochalasis (Ascher's syndrome);Barnett, M.L.; Bosshardt, L.L.; Morgan, A.F.;Oral Surg,1972
4. Pachydermoperiostosis: a rare cause of ptosis. Trans Ophthalmol Soc UK;Davidson, S.I.; Smith, J.L.,1970
5. Ptosis caused by pachydermoperiostosis;Ohtsuka, M.; Takayanagi, S.,1988