Makhovikova LA.
Med Sestra. 1975 Mar;34(3):48-9.
PMID: 1040089

Alekseeva RI, Kovalevskaia AI.
Med Sestra. 1968 Mar;27(3):32-4.
PMID: 5184773

Dick LS, Grant MD.
Public Health Rep. 1964 Jun;79(6):533-536.
PMID: 19316469

[No authors listed]
Holist Nurs Pract. 1992 Jan;6(2):1-89.
PMID: 1735740

Wirotius JM.
Soins. 1983 Sep;(413):5-7.
PMID: 6558816

Mathewson-Chapman M.
Cancer Control. 1998 May;5(3):44-45. doi: 10.1177/107327489800503S16.
PMID: 10762484