Powell L.
NLN Publ. 1991 Nov;(14):160-3.
PMID: 1795946

Takahashi M.
Kango Kyoiku. 1983 Sep;24(9):560-3.
PMID: 6355584

McWhirter G, Courage M, Yearwood-Dixon A.
J Prof Nurs. 2003 May-Jun;19(3):134-41. doi: 10.1016/s8755-7223(03)00048-6.
PMID: 12836143

Negru I.
Viata Med Rev Inf Prof Stiint Cadrelor Medii Sanit. 1976 Feb;24(2):41-6.
PMID: 821221

Oderkirk WW.
J Nurs Hist. 1985 Nov;1(1):30-7.
PMID: 3912475

Baines C.
Can Nurse. 1992 Jun;88(6):17-9.
PMID: 1600497

Jackson A.
Nurse Educ. 2015 Jan-Feb;40(1):15. doi: 10.1097/NNE.0000000000000107.
PMID: 25460159