1. The natural history of the frozen shoulder syndrome;Reeves;Scand J Rheumatol,1975
2. Frozen shoulder: a consensus definition;Zuckerman;J Shoulder Elbow Surg,2011
3. The natural history of idiopathic frozen shoulder;Grey;J Bone Joint Surg (A),1978
4. Frozen shoulder;Dias;BMJ,2005
5. Frozen shoulder: unravelling the enigma;Bunker;Ann R Coll Surg Engl,1997