Warner J.
Nurs Stand. 1993 Apr 21-27;7(31):47-8. doi: 10.7748/ns.7.31.47.s57.
PMID: 8512842

Quirk BP.
Nephrol News Issues. 1996 Jul;10(7):29-31.
PMID: 8920263

Axelsen I.
Sygeplejersken. 1976 Mar 31;76(13):9.
PMID: 1046302

GEISTER JM.
Am J Nurs. 1964 Mar;64:102-3.
PMID: 14122019

[No authors listed]
Nurs Stand. 1990 Sep 26-Oct 2;5(1):23.
PMID: 2119771

Warner J, Oram J.
Nurs Stand. 1995 Oct 25-31;10(5):48.
PMID: 8546942

Miyano H.
Kangogaku Zasshi. 1971 Aug;35(8):65-7.
PMID: 4998517