1. Centrifugal subfractionätion of polymorphonuclear leukocytes, lymphocytes and erythrocytes;Agranoff;Blood,1954
2. Zur Untersuchung lebender menschlicher Leukozyten in vitro;Bucher;Experientia,1946
3. Separation of leukocytes from blood and bone marrow;Bøyum;Scand. J. clin. Lab. Invest.,1968
4. The efficient separation of lymphocytes from normal human blood;Cassen;J. Lab. clin. Med.,1958
5. A simple method of removing leukocytes from blood;Fleming;Brit. J. exp. Path.,1926