1. Abelson R 2002 With nurses in short supply, patient load becomes a big issue New York Times http://www.nytimes.com/2002/05/06/us/with-nurses-in-short-supply-patient-load-becomes-a-big-issue.html
2. Implications of the California nurse staffing mandate for other states;Aiken;Health Services Research,2010
3. Is earnings non-response ignorable?;Bollinger;The Review of Economics and Statistics,2013
4. Mandated nurse staffing ratios in California: a comparison of staffing and nursing sensitive outcomes pre- and postregulation;Bolton;Policy, Politics & Nursing Practice,2007
5. California Department of Health Services 2003 Final statement of reasons www.cdph.ca.gov/services/DPOPP/regs/Documents/R-37-01_FSOR.pdf