1. Anderson B.J. Mem H. &. Leonard R.C. (1965). Two experimental tests of a patientcentered admission process. Nursing Research 14 (2) 151-157.
2. Bochnak MA. (1963). The effect of an automatic and deliberative process of nursing activity on the relief of patients' pain: A clinical experiment. Nursing Research 12 (3) 191-192.
3. Dye M.C. (1963). A descriptive study of conditions conducive to an effective process of nursing activity. Nursing Research 12 194.
4. Elms R.R. &. Leonard R.C. (1966). The effects of nursing approaches during admission. Nursing Research 15(1) 39-48.
5. Gillis L. (1976). Sleeplessness - can you help? The Canadian RN 7 32-34.