Reducing the radiation dose to the eye lens region during CT brain examination: the potential beneficial effect of the combined use of bolus and a bismuth shieldC.W.-K. Lai, H.-Y. Cheung, T.-P. Chan and T.H. WongRadioprotection, 50 3 (2015) 195-201DOI: https://doi.org/10.1051/radiopro/2015003
