Wilkinson K.
Nurs Stand. 1988 Jun 04;2(35):28-9.
PMID: 3045611

Gray C.
NLN Publ. 1991 Nov;(14):120-4.
PMID: 1795940

Morgan MD.
Imprint. 1992 Apr-May;39(3):77-8.
PMID: 1618540

Dorcy KS.
West J Nurs Res. 1992 Oct;14(5):632-44. doi: 10.1177/019394599201400506.
PMID: 1529607

Tsuboi Y, Takahashi Y, Murayama C, Haga S.
Kango Kyoiku. 1978 May;19(5):317-23.
PMID: 349213

Solemani R.
Nurs Times. 1999 Apr 14-20;95(15):26.
PMID: 10358597

Smith JP.
J Adv Nurs. 1999 Mar;29(3):525. doi: 10.1046/j.1365-2648.1999.0951g.x.
PMID: 10210446