Fig. 3From: Evaluation of pulmonary perfusion by SPECT imaging using an endothelial cell tracer in supine humans and dogsComparative distribution of lung perfusion in humans and dogs. Comparison of the relative concentration difference as a function of cumulative voxels between PulmoBind-humans (n = 19) and PulmoBind-dogs (n = 5) in dorsoventral (a), caudocranial (b) and mediolateral axes (c)Back to article page