Access block viewed as a medical model

• Princess Alexandra Hospital, Ipswich Road, Woolloongabba, QLD 4102 michael_sinnottAThealth.qld.gov.au

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• 1. Ganong WF. Review of medical physiology. 21st ed. New York: Lange Medical Books/McGraw-Hill; 2003; 575-577.
• 2. Seligman MEP. Learned optimism. Sydney: Random House Australia, 1992; 17-30.