Mason P.
Nurs Times. 1992 Dec 30-1993 Jan 5;88(52):19.
PMID: 1289845

Oxtoby K.
Nurs Stand. 2016 Oct 26;31(9):37-38. doi: 10.7748/ns.31.9.37.s42.
PMID: 27787176

Cooper E.
BMJ. 2007 Apr 14;334(7597):761-2. doi: 10.1136/bmj.39176.433484.3A.
PMID: 17431235

Tate CW.
Nurs Manag (Harrow). 1996 Apr;3(1):7.
PMID: 8715788

[No authors listed]
Nurs Times. 1989 Aug 23-29;85(34):3.
PMID: 2780365

Wells C.
Br Med J. 1979 Sep 15;2(6191):676. doi: 10.1136/bmj.2.6191.676-b.
PMID: 497798 Free PMC Article
Free PMC Article

Musa MB.
Malays J Med Sci. 2010 Jan;17(1):1-2.
PMID: 22135518