Johnson JE.
Nursingconnections. 1990;3(1):1-2.
PMID: 2342615

Mayor V.
Nurs Stand. 2004 May 5-11;18(34):104. doi: 10.7748/ns2004.05.18.34.104.c3603.
PMID: 15151026

LINDZEY G, ROGOLSKY S.
J Abnorm Psychol. 1950 Jan;45(1):37-53. doi: 10.1037/h0055637.
PMID: 15401849

CITRON AF, HARDING J.
J Abnorm Soc Psychol. 1950 Apr;45(2):310-28. doi: 10.1037/h0058954.
PMID: 15415191

Bickel J.
Acad Psychiatry. 2007 Mar-Apr;31(2):91-4. doi: 10.1176/appi.ap.31.2.91.
PMID: 17344436

Trueland J.
Nurs Stand. 2014 Oct 07;29(5):23. doi: 10.7748/ns.29.5.23.s27.
PMID: 25270459

Akinsanya J.
Nurs Stand. 1990 Dec 19-1991 Jan 8;5(13):48.
PMID: 2124856