1. ‘The function of the clavicle’;Abbott;Annals of Surgery,1954
2. An Introduction to Human Evolutionary Anatomy;Aiello,1990
3. ‘The slope of the acromion and rotator cuff impingement’;Aoki;Orthopaedic Transactions,1986
4. ‘Functional adaptions in the primate shoulder girdle’;Ashton;Proceedings of the Zoological Society of London’,1964
5. ‘The morphology of the acromion and its relationship to rotator cuff tears’;Bigliani;Orthopaedic Transactions,1986