[No authors listed]
Policy Anal. 1975;1(2):329-44.
PMID: 1235885

McGrew EA.
J Am Med Womens Assoc (1972). 1978 Jun;33(6):281-2.
PMID: 207762

Chenitz WC, Swanson JM.
Nurs Outlook. 1981 Jul;29(7):417-20.
PMID: 6910642

[No authors listed]
NLN Publ. 1981;(41):1-12.
PMID: 6914558

Reinhard KR.
Am J Public Health Nations Health. 1966 Mar;56(3):469-79. doi: 10.2105/ajph.56.3.469.
PMID: 5948703 Free PMC Article
Free PMC Article

[No authors listed]
NLN Publ. 1980;(41):1-12.
PMID: 6904968

Notter LE.
Nurs Res. 1973 Sep-Oct;22(5):387. doi: 10.1097/00006199-197309000-00001.
PMID: 4490171