1. The slope of the acromion and rotator cuff impingement;Aoki;Orthop Trans,1986
2. Clinical application for measuring the slope of the acromion;Aoki,1990
3. The development of the limbs, body-wall, and back;Bardeen;Am J Anat,1901
4. Impingement syndrome: Aetiology and overview;Bigliani,1991
5. Anterior acromioplasty for subacromial impingement in patients younger than 40 years of age;Bigliani;Clin Orthop,1989