McCaul Michael, Grimmer Karen
Centre for Evidence-Based Health Care, Stellenbosch University, South Africa.
International Centre for Allied Health Evidence (iCAHE), University of South Australia, Australia.
Afr J Emerg Med. 2016 Jun;6(2):61-63. doi: 10.1016/j.afjem.2016.05.001. Epub 2016 May 13.