Chapman E.
Nurs Times. 1992 Jan 15-21;88(3):36-7.
PMID: 1738670

Cole A.
Nurs Times. 1990 Aug 8-14;86(32):31-2.
PMID: 2385511

Mackay L.
Nurs Times. 1988 Mar 9-15;84(10):42-4.
PMID: 3353239

Campbell J.
Nurs Times. 1991 Jul 24-30;87(30):50-1.
PMID: 1866284

Ross T.
Nurs Mirror. 1982 Mar 17;154(11):26-7.
PMID: 6917270

Namie J.
Kango Kyoiku. 1981 Oct;22(10):597-600.
PMID: 6915189

McGettigan BO, Henderson FC.
NLN Publ. 1994 Oct;(14):304-34.
PMID: 7808919