1. In 1964 a symposium on the medical aspects of boxing was held in London, when the arguments were outspoken but inconclusive
2. Martland HS. Punch drunk. JAMA 1928;91:1103-7.
3. Two cases of intracranial haemorrhage in young amateur boxers;Cruikshank, J.K.; Higgens, C.S.; Gray, JR;Lancet,1980
4. Neurologic aspects of boxing;Jordan, B.D.;Arch Neurol,1987
5. Brain injuries in boxers;McCunnev, W.J.; Russo, P.K.;Phvsician Sports Medicine,1984