1. Calcium deposits in the shoulder and subacromial bursitis;Bosworth;JAMA,1941
2. Ultrasonography of the shoulder;Bouffard;Semin Ultrasound CT MR,2000
3. A clinical method of functional assessment of the shoulder;Constant;Clin Orthop,1987
4. Long term study of shoulder joints afflicted and treated for calcific tendinitis;De Palma;Clin Orthop,1961
5. Surgery of the shoulder;De Palma,1973