128360.fig.005
Figure 5: Comparison of urethral NTCP for two different values of 𝛼 / 𝛽 and 𝜇 𝛼 / 𝛽 = 1 6 . 6  Gy and 𝜇 = 1  h−1 (Zaider et al. [1]) and 𝛼 / 𝛽 = 3  Gy and 𝜇 = 0 . 5  h−1 (Dale and Jones [2]). Error bars were calculated using (17).