because of the recent spate of reports of primary resistance to dapsone among patients with lepromatous leprosy , largely to small concentrations of the drug , a survey was made of the results of dapsone-susceptibility testing of strains of mycobacterium leprae isolated before 1977 among six laboratories which employed the mouse foot pad technique for this work prior to that time .
C0023348
lepromatous leprosy
C0010980
dapsone