Crighton, E. J., Bordman, R., Wheler, D., Franssen, E., White, D., Bovett, M., & Drummond, N. (2005). After-hours care in Canada: Analysis of the 2001 National Family Physician Workforce Survey. College of Family Physicians of Canada.

Crighton, Eric J., Risa Bordman, David Wheler, Edmee Franssen, David White, Monica Bovett, e Neil Drummond. After-hours Care in Canada: Analysis of the 2001 National Family Physician Workforce Survey. College of Family Physicians of Canada, 2005.

Crighton, Eric J., et al. After-hours Care in Canada: Analysis of the 2001 National Family Physician Workforce Survey. College of Family Physicians of Canada, 2005.