1. Cofleld RH: Tears of the rotator cuff. AAOS Instr Course Lect vol 30, 1981
2. Effect of suprascapular and axillary nerve blocks and muscle force in upper extremity;Colachis;Arch Phys Med Rehab,1971
3. The role of the coracoid process in the chronic impingement syndrome;Gerber;J Bone Joint Surg,1985
4. The rotator cuff and biceps tendon;Hawkins,1983
5. Impingement syndrome in athletes;Hawkins;Am J Sports Med,1980