Cukor G, Moolten F L
Infect Immun. 1975 Aug;12(2):446-7. doi: 10.1128/iai.12.2.446-447.1975.
Normal and transformed rabbit kidney cells are killed by heat-dissociated diphtheria toxin fragments, whereas human (heLa), mouse (L929), and hamster (BHK and 333-8-9) cells are not affected.