Moorhead SJ.
Perioper Nurs Q. 1986 Sep;2(3):57-60.
PMID: 2431408

Seward L.
Educ Prim Care. 2011 Jan;22(1):38-9.
PMID: 21333131

Quillet L, Egret C.
Rev Infirm. 1994 Apr;(7):55-7.
PMID: 7652441

Witt GA.
Training. 1982 Feb;19(2):56-7, 61-2.
PMID: 10315269

Marx RJ.
Training. 1982 Mar;19(3):56-8, 60-1, 65.
PMID: 10315270

Caldwell LM.
Nurs Health Care. 1983 Jan;4(1):35-7.
PMID: 6184655

Huff M, Langhoff H.
AORN J. 1969 Oct;10(4):50-3. doi: 10.1016/s0001-2092(08)70670-7.
PMID: 4185915