Nessling B, Boyle S.
Nurs Times. 1990 Oct 31-Nov 6;86(44):54-5.
PMID: 2235602

Morrison RS, Larson BA, Witte PM, Hutton NL.
Nurs Manage. 1987 Mar;18(3):108-9. doi: 10.1097/00006247-198703000-00023.
PMID: 3645441

Pechiulis DD, Richmond BS.
Nurs Manage. 1986 Jul;17(7):52-3. doi: 10.1097/00006247-198607000-00020.
PMID: 3636737

Tilly JD, Covan EK.
Health Care Women Int. 2007 Nov-Dec;28(10):853-5. doi: 10.1080/07399330701764065.
PMID: 17987456

Campion B, Askren D.
Adv Clin Care. 1990 Jul-Aug;5(4):33-4.
PMID: 2375822

Johnson DE.
Mod Healthc. 1979 Nov;9(11):60-1.
PMID: 492124

O'Malley J.
N Z Nurs J. 1990 Aug;83(7):2.
PMID: 2388733