1. Extracorporeal irradiation of the blood;Andersen;Strahlentherapie,1974
2. The immunological potential of human lymph nodes in uremia and during extracorporeal irradiation of the blood;Birkeland;Acta path. microbiol. scand. Sect. C.,1975
3. Lymphocyte transformation tests and membrane fluorescence studies of lymphocytes during extracorporeal irradiation of the blood;Birkeland;Scand. J. Immunol,1976
4. Extracorporeal irradiation of blood with a 250 kV X-ray apparatus;Birkeland;Dan. med. Bull.,1972