1. Anterior acromioplasty for the chronic impingement syndrome in the shoulder;Neer;J Bone Joint Surg [Am],1972
2. Impingement syndrome in the absence of rotator cuff tear (stages 1 and 2);Hawkins;Orthop Clin North Am,1987
3. Four-in-one arthroplasty for the painful arc syndrome;Nevaiser;Clin Orthop,1982
4. Impingement syndrome: a review of late stage II and early stage III lesions;Post;Clin Orthop,1986
5. Shoulder impingement syndrome in athletes treated by an anterior acromioplasty;Tibone;Clin Orthop,1985