Davidhizar R.
AD Nurse. 1989 Jan-Feb;4(1):24-7.
PMID: 2910341

Takahashi K.
Kangogaku Zasshi. 1979 Jan;43(1):98-100.
PMID: 105187

L'Ecuyer KM.
Dimens Crit Care Nurs. 2016 Sep-Oct;35(5):299. doi: 10.1097/DCC.0000000000000203.
PMID: 27487759

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

Mangan P.
Nurs Times. 1994 Apr 20-26;90(16):98-100.
PMID: 8177782

Gamm S.
Pflege Z. 2009 Aug;62(8):488-90.
PMID: 19728442

Parsley JC.
Am J Nurs. 1998 Apr;98(4):80.
PMID: 9556691