1. Crouch R. An investigation into effects of a computer based decision support program on accident and emergency nurses’ assessment strategies in telephone consultation [dissertation]. Brighton, UK: University of Surrey, 2000.
2. Christensen MB, Olesen F. Out of hours service in Denmark: Evaluation five years after reform. BMJ 1998;316:1502-5.
3. Yanovski SZ, Yanovski JA, Malley JD, Brown RL, Balaban DJ. Telephone triage by primary care physicians. Pediatrics 1992;89:701-6.
4. Giesen P. Quality of out-of-hours primary care in the Netherlands [proefschrift]. Nijmegen: University of Nijmegen, 2007.
5. Foster J, Jessopp L, Dale J. Concerns and confidence of general practitioners in providing telephone consultations. Br J Gen Pract 1999;49:111-3.