Snooks, H., Cheung, I., Close, J., Dale, J., Gaze, S., Humphreys, I., . . . Whitfield, R. (2010). Support and Assessment for Fall Emergency Referrals (SAFER 1) trial protocol. Computerised on-scene decision support for emergency ambulance staff to assess and plan care for older people who have fallen: Evaluation of costs and benefits using a pragmatic cluster randomised trial. BMC Emergency Medicine, 10(1), p. 2. doi:10.1186/1471-227X-10-2

Snooks, Helen, et al. "Support and Assessment for Fall Emergency Referrals (SAFER 1) Trial Protocol. Computerised On-scene Decision Support for Emergency Ambulance Staff to Assess and Plan Care for Older People Who Have Fallen: Evaluation of Costs and Benefits Using a Pragmatic Cluster Randomised Trial." BMC Emergency Medicine 10, no. 1 (2010): 2.

Snooks, Helen, et al. "Support and Assessment for Fall Emergency Referrals (SAFER 1) Trial Protocol. Computerised On-scene Decision Support for Emergency Ambulance Staff to Assess and Plan Care for Older People Who Have Fallen: Evaluation of Costs and Benefits Using a Pragmatic Cluster Randomised Trial." BMC Emergency Medicine 10.1 (2010): 2.