1. Das paroxysmale Handhämatom;Achenbach;Medizinische,1958
2. Paroxysmal finger haematoma: A neglected syndrome;Eikenboom;Thromb Haemost,1991
3. Aschwanden. Recurrent paroxysmal finger hematoma (Achenbach syndrome);Zimmerli;Schweiz Rundsch Med Prax,2002
4. A case of Achenbach's syndrome;Layton;Clin Exp Dermatol,1993
5. The non-ischaemic blue finger;Khaira;Ann R Coll Surg,2001