Hafran M, Garton J.
Med Econ. 2010 Aug 06;87(15):41, 45-6.
PMID: 20873658

Reidenbach G.
Krankenpflege (Frankf). 1990 Sep;44(9):468-70.
PMID: 2122076

Robey T.
Virtual Mentor. 2010 Jun 01;12(6):437-9. doi: 10.1001/virtualmentor.2010.12.6.fred1-1006.
PMID: 23158441

TOWNEND BR.
Public Health. 1947 Feb;60(5):104-6. doi: 10.1016/s0033-3506(46)80112-4.
PMID: 20260639

Belz GT, Cretney E.
Front Immunol. 2013 Feb 01;4:21. doi: 10.3389/fimmu.2013.00021. eCollection 2013.
PMID: 23378845

Castiglia PT, Hunter J, McCausland L.
J N Y State Nurses Assoc. 1986 Jun;17(2):15-9.
PMID: 3459814

Stuart EH, Jarvis A, Daniel K.
J Clin Nurs. 2008 Nov;17(22):3012-20. doi: 10.1111/j.1365-2702.2008.02316.x. Epub 2008 Jul 17.
PMID: 18647197