1. Managing nurses with health concerns;Letvak;Nurs Manage,2012
2. 〈http://www.rwjf.org/content/dam/farm/reports/issue_briefs/2013/rwjf407337〉
3. 〈http://www.rwjf.org/content/dam/farm/reports/issue_briefs/2013/rwjf407337〉
4. 〈https://www.businessgrouphealth.org/resources/topics/presenteeism.cfm〉 citing Paul Hemp, Presenteeism: At Work—But Out of It, Harvard Business Review, October 2004.
5. 〈http://www.nihpromis.org/Documents/PROMIS_Standards_050212.pdf〉