1. 2 H. & C. 722, 159 Eng. Rep. 299 (Exch. 1863).
2. Bolam v. Friern Hospital Management Committee. 1957 1 WLR 583, 587.
3. Bolitho v. City and Hackney Health Authority. 1997 4 All ER 771.
4. Canterbury v. Spence, 464 F2d 772 (DC Cir 1972).
5. Cox v. May Department Store Co., 903 P.2d 1119 (1995).