Pell, J. P., Pell, A. C. H., Norrie, J., Ford, I., & Cobbe, S. M. (2000). Effect of socioeconomic deprivation on waiting time for cardiac surgery: Retrospective cohort study. BMJ Group.

Pell, Jill P., Alastair C H. Pell, John Norrie, Ian Ford, و Stuart M. Cobbe. Effect of Socioeconomic Deprivation On Waiting Time for Cardiac Surgery: Retrospective Cohort Study. BMJ Group, 2000.

Pell, Jill P., et al. Effect of Socioeconomic Deprivation On Waiting Time for Cardiac Surgery: Retrospective Cohort Study. BMJ Group, 2000.