1. Hurrell JJ, McLaney MA. Exposure to job stress: a new psychometric instrument. Scand J Work Environ Health. 1988;14(Suppl 1):27–8.
2. Karasek R. Job demands, job decision latitude, and mental strain: implications for job redesign. Adm Sci Q. 1979;24:285–307.
3. Karasek R, Gordon G, Pietrokovsky C, Freese M, Pieper C. Job content instrument: user’s guide. Los Angeles: University of Southern California; 1985.
4. Karasek R, Theorell T. Healthy work: stress, productivity, and the reconstruction of working life. New York: Basic Books; 1990.
5. Kim-Godwin YS, Bechtel GA. Stress among migrant and seasonal farmworkers in rural southeast North Carolina. J Rural Health. 2004;20:271–8.