Joyce PM.
Aust Nurses J. 1980 Feb;9(7):41-3.
PMID: 6900491

Olson ML.
Alumnae Mag Columbia Univ Presbyt Hosp Sch Nurs Alumnae Assoc. 1977-1978 Fall-Winter;73(3):13.
PMID: 26216

Martin E.
Z Krankenpfl. 1978 Jan;71(1):8.
PMID: 245921

[No authors listed]
Nurs Times. 1979 Aug 09;75(32):1340-9.
PMID: 257468

Boorer D.
Aust Nurses J. 1979 Jul;(1):29.
PMID: 258131

Schomburg I.
Krankenpflege (Frankf). 1979 Jul-Aug;33(7):254-6.
PMID: 224254

Leino-Kilpi H.
Hoitotiede. 1991;3(5):200-7.
PMID: 1790019