Monoclonal antibodies against recombinant parts of the Ki- 67 antigen (MIB 1 and MIB 3) detect proliferating cells in microwave-processed formalin-fixed, paraffin-embedded tissue sections. - Cattoretti,G.; Becker,M.HG.; Key,G.; Duchrow,M.; Schlutter,C.; Galle,J, et al. (J Pathol, 1992)