Now playing · 05 Biology

Isoeffect dose (Withers)

D₂ = 56.83 Gy

D2=D1d1+α/βd2+α/βD_2 = D_1\frac{d_1+\alpha/\beta}{d_2+\alpha/\beta}

Change fraction size at constant BED: D₂ = D₁ (d₁+α/β)/(d₂+α/β).

Laser