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3. Buckles, E. and Carew-McColl, M. (1991) Triage by telephone. Nursing Times, 87: 26–8.
4. Castledine, G. (1996) Extremes of the nurse practitioner role. British Journal of Nursing, 5(9): 581.
5. College of Nurses of Ontario (1988) Guidelines for Registered Nurses Providing Telephone Advice. (Ontario: College of Nurses of Ontario).