BJR -- Hill Supplement 27 (1): 75 Figure 1

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Figure 1. Cytokine mRNA levels after irradiation of lung of different strains of mice: (a) transforming growth factor- ${beta}$ (TGF- ${beta}$ ); and (b) tumour necrosis factor- ${alpha}$ (TNF- ${alpha}$ ). Redrawn from [31, 34].