1. Pratt v. Roberts, 224 III. 300, 79 N.E. 562, 1906
2. Cooper v. Roberts, 286 A.2d 647,(Penn. Super. Ct;, Dec. 13, 1971)
3. Cobb v. Grant. 8 C. 3d 229; 104 Cal. Rptr. 505. 502 P. 2 d 1
4. Informed consent. A study of patient reaction;Alfidi;JAMA,1971
5. Informed consent, a reappraisal of patients’ reactions;Rosenberg;West J Med,1973