Search for: [Title = Assessment of blood serum immunoglobulin and C\-reactive protein concentrations in workers of X\-ray diagnostics units] OR [Creator = Kłuciński, Piotr] OR [Creator = Mazur, Bogdan] OR [Creator = Kaufman, Joanna] OR [Creator = Hrycek, Antoni] OR [Creator = Cieślik, Paweł] OR [Creator = Martirosian, Gayane]