Fig. 3From: Optimising quantitative 90Y PET imaging: an investigation into the effects of scan length and Bayesian penalised likelihood reconstructionTransaxial views through the centre of the spheres in the NEMA phantom when reconstructed using a variety of beta values. a Beta = 1. b Beta = 1000. c Beta = 2000. d Beta = 3000. e Beta = 4000Back to article page