Ferrie, J., Kivimaki, M., Head, J., Shipley, M., Vahtera, J., & Marmot, M. (2005). A comparison of self-reported sickness absence with absences recorded in employers' registers: Evidence from the Whitehall II study. BMJ Group.

Ferrie, J., M. Kivimaki, J. Head, M. Shipley, J. Vahtera, and M. Marmot. A Comparison of Self-reported Sickness Absence With Absences Recorded in Employers' Registers: Evidence From the Whitehall II Study. BMJ Group, 2005.

Ferrie, J., et al. A Comparison of Self-reported Sickness Absence With Absences Recorded in Employers' Registers: Evidence From the Whitehall II Study. BMJ Group, 2005.