1. Rh antibodies detectable only by enzyme technique;Dodd;Immunology, Lond.,1961
2. Irregular blood group antibodies. A screening test including a two stage papain technique;Dybkaejr;Danish med. Bull.,1966
3. Papain-treated red cells in the detection of incomplete antibodies;Goldsmith;Lancet,1955
4. An anti-E antibody reacting strongly with enzyme-treated cells, but showing no sign of agglutination of absorption with untreated cells;Heistö;Acta path. microbiol. scand.,1955
5. 5 Jensen, K. G. ; Freiesleben, E. , and Sølvsten Sørensen, S. : The survival of red cells incompatible with Rh antibodies demonstrable only by enzyme technique. Proc. 10th Congr. Europ. Soc. Haemat., Strasbourg 1965, part II, pp. 1447-1451.