rpb2 is a reliable reference gene for quantitative gene expression analysis in the dermatophyte Trichophyton rubrum - Jacob, Tiago R.; Peres, Nalu T. A.; Persinoti, Gabriela F.; Silva, Larissa G.; Mazucato, Menderson; Rossi, Antonio; Martinez-Rossi, Nilce Maria (Medical Mycology, 2012)