1. 1. Sakai, A. 1990, «Sudden deaths among male employees: a six-year epidemiological survey», J. Cardiol, Vol. 20, no. 4, pp. 957-961.
2. 2. Brettel, H. F., Drewniok, K. 1994, «Sudden cardiac death and occupational activity», Versicherungsmedizin, Vol. 46, no. 1, pp. 15-17.
3. 3. Robinson, C. C., Kuller, L. H., Perper J. 1988, «An epidemiologic study of sudden death at work in an industrial country in 1979 -1982», Am. J. Epidemiol, Vol. 128, no. 4, pp. 806-820.
4. 4. Faisal, A. 2003, «Causes of radiologists' death: a survey of 400 cases in the literature», Radiat. Med., Vol. 21, no. 3, pp. 108-111.
5. 5. Kawamura, T., Kondo, H. 1999, «Sudden death in the working population: a collaborative study in central Japan», Eur. Heart J., Vol. 20, no. 5, pp. 338-343.