Search for: [Title = The effects of occupational exposure to hydrocarbons on some immune parameters of workers of the phenol division of a petrochemical plant] OR [Creator = Zeman, Krzysztof] OR [Creator = Tchórzewski, Henryk] OR [Creator = Baj, Zbigniew] OR [Creator = Nowak, Zofia] OR [Creator = Majewska, Ewa] OR [Creator = Pokoca, Lech] OR [Creator = Kocur, Eugeniusz] OR [Creator = Kantorski, Jerzy]