Representative survey of frozen shoulder questionnaire responses from the Japan Shoulder Society: What are the appropriate diagnostic terms for primary idiopathic frozen shoulder, stiff shoulder or frozen shoulder?
Kobayashi T, Karasuno H, Sano H, Hamada J, Takase K, Tamai K, Kashiwagi K, Hayashida K, Gotoh M, Yamamoto N, Morihara T, Hata Y, Morisawa Y.