[No authors listed]
NLN Publ. 1982;(15):1-27.
PMID: 6917139

Carver J, Tamlyn D.
Nurs Pap. 1985;17(3):7-15.
PMID: 3854462

O'Connor T.
Nurs N Z. 1998 Jun;4(5):18-9.
PMID: 10586755

O'Connor T.
Nurs N Z. 1999 Mar;5(2):13.
PMID: 10586803

Carter SL.
Image J Nurs Sch. 1987;19(2):96. doi: 10.1111/j.1547-5069.1987.tb00601.x.
PMID: 3647934

Gray PA.
NLN Publ. 1990 Sep;(41):185-97.
PMID: 2235433

Clapperton C.
Nurs N Z. 2006 Feb;12(1):26.
PMID: 16544708