Richards, D. A., Meakins, J., Tawfik, J., Godfrey, L., Dutton, E., Richardson, G., & Russell, D. (2002). Nurse telephone triage for same day appointments in general practice: Multiple interrupted time series trial of effect on workload and costs. BMJ.

Richards, David A., Joan Meakins, Jane Tawfik, Lesley Godfrey, Evelyn Dutton, Gerald Richardson, and Daphne Russell. Nurse Telephone Triage for Same Day Appointments in General Practice: Multiple Interrupted Time Series Trial of Effect On Workload and Costs. BMJ, 2002.

Richards, David A., et al. Nurse Telephone Triage for Same Day Appointments in General Practice: Multiple Interrupted Time Series Trial of Effect On Workload and Costs. BMJ, 2002.