Magdah Ganash2022-05-282022-05-2820447https://drepo.sdl.edu.sa/handle/20.500.14154/37724X-RAY CRYSTALLOGRAPHIC AND ELECTRON MICROSCOPY STUDIES ON MEMBERS OF THE CLYA/ NHEFAMILY OF THE PORE-FORMING TOXINSAVIAN PATHOGENIC E COLI CYTOLYSIN A AND B CEREUS NON-HEMOLYTIC ENTEROTOXINAQThesis