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15. Kostrubiec A., Kowalska A.: Aktywnosc zawodowa a zdrowie w 1996 roku (Occupational activity and health in 1996), GUS, Warsaw 1998, pp. 104-166.

16. Report from the research. Department of Analyses and Prognoses of the Prime Minister's Office. Warsaw 1999. in copy

17. Suicide in Poland by gender 1989-1998. Demographic Yearbooks 1990-1999. GUS, Warszawa 1990-1999.

18. Statistical Yearbook 1996, GUS, Warszawa 1997.

19. ZUS (Social Security Agency), Warszawa, personal communication.

20. Fratczak E., Strzelecki Z., Witkowski J.(eds): Bezrobocie - wyzwanie dla polskiej gospodarki (Unemployment - challenge for the Polish economy). GUS, Warszawa 1993.

21. Report from the research. Instytut Medycyny Pracy, Lódz 1999, in copy.

22. Dudek B. srodowisko pracy jako potencjalne zródlo zagrozenia dla zdrowia psychicznego (Work community as a potential source of threat for mental health). Instytut Medycyny Pracy, Lódz, in copy.

23. All information regarding the National Centre of Workplace Health Promotion and its research comes from the report: "The first strategic government programme", Institute of Occupational Medicine, Lódz 1999, in copy.

24. Moskalewicz J., Sieroslawski J., Swiatkiewicz G., Zamecki K., Zielinski A. Prevention and Management of Drug Abuse in Poland. Summary of Final Report. Institute of Psychiatry and Neurology, Warsaw 1999.

25 Pracodawco odezwij sie (Employer, respond please), Gazeta Wyborcza, 28 October 1999.

26. Kodeks Pracy, Librata, Warszawa 1996.

27. Ustawa z 27 czerwca 1997 o sluzbie medycyny pracy. Dziennik Ustaw RP, nr 96, Warszawa 1997.