Lindop E.
Nurs Times. 1989 Aug 23-29;85(34):68.
PMID: 2780377

Bartlett ML, Taylor H, Nelson JD.
J Nurs Educ. 2016 Feb;55(2):87-90. doi: 10.3928/01484834-20160114-05.
PMID: 26814818

Drossel M.
Pflege Z. 2012 Aug;65(8):472-3.
PMID: 22930854

Hansen T.
Sygeplejersken. 1985 May 29;85(22):28-30.
PMID: 3852508

Furuyashiki A.
Kango Tenbo. 1987 Feb;12(3):287.
PMID: 3646415

Pryde NA.
Int Nurs Rev. 1987 May-Jun;34(3):80-3.
PMID: 3647012

Taylor DH, Vale D.
Health Educ J. 1981;40(2):53-5. doi: 10.1177/001789698104000206.
PMID: 10252327