1. Sick on the Job?: Myths and Realities about Mental Health and Work,2012
2. Evaluating the capacity to work of the mentally ill;HK Massel;Psychiatry,1990
3. Sickness-certification practice in different clinical settings; a survey of all physicians in a country;C Lindholm;BMC Public Health,2010
4. Disability determinations for adults with mental disorders: Social Security Administration vs independent judgments;SO Okpaku;Am J Public Health,1994
5. Sickness, Disability and Work: Breaking the Barriers: A Synthesis of Findings across OECD Countries,2010