CHALLENGES 733,627 Challenges to epidemiology in changing Europe : proceedings of the conference Krakow, July 2-3, 1999 / eds. Wiesław Jędrychowski, John Vena, Umberto Maugeri ; org. by Polish Society for Environmental Epidemiology in the co-operation with Polish Academy of Science, WHO European Center for Environment and Health, Jagiellonian University Collegium Medicum. -Kraków :JU CM, 19 - 248 s. ; 24 cm Bibliogr. przy ref ISBN 83- 904896-1- 9