[1] . Luckey TD. Hormesis with ionising radiation, Boca Raten, FL. CRC Press, 1980.
[2] . Olivieri G et al. Science, 1984;223:594.
[3] . Kelsey KT et al. Mutat Res, 1991;263:197.
[4] . Rigaud O et al. Cancer Res, 1994;54:1924s.
[5] . Zhou PK et al. Radiat Environ Biophys, 1994;33:211.
[6] . Sandson BJS and Morly AA. Mutat Res, 1986;164:347.
[7] . Zhou PK et al. Mutagenesis, 1993;8(2):109.
[8] . Rigaud O et al. Radiat Res, 1995;144:181.
[9] . Wolff S. Report to the coordinated researchprogramme on exploration of molecular mecha-nisms of the stimulatory effect of low-dose andlow-dose-rate radiation, IAEA headquarter, Vienna, Nov, 1994.
[10] . Zhou PK et al. In low dose irradiation and bio-logical dedense mechanisms, Ed T Sugahara, L. Sagan and T Aoyama, 1992;271.
[11] . Ikushima T. Report to the coordinated resear-ch programme on exploration of molecularmechanisms of the stimulatory effect of low-dose and low-dose-rate radiation, IAEA head-quarter, Vienna, Nov, 1994.
[12] . Wojcik A et al. Mutagenesis, 1996;11(3):291.
[13] . Lehnet S. Radiat Res, 1995;141:108.
[14] . Datta R et al. Proc Natl Acad Sci USA, 1993;90:2419.
[15] . Woloschak GE. Report to the coordinated re-search programme on exploration of molecularmechanisms of the stimulatory effect of low-dose and low-dose-rate radiation, IAEA head-quarter, Vienna, Nov, 1994.
[16] . Robson T et al. Radiat Res, 1995;141:112.