Fig. 4From: Evaluation of pulmonary perfusion by SPECT imaging using an endothelial cell tracer in supine humans and dogsCumulative perfusion activity as a function of lung volume in humans and dogs. Cumulative relative activity as a function of cumulative voxels in dorsoventral (a), caudocranial (b) and mediolateral (c) axes for PulmoBind in humans (n = 19) and PulmoBind in dogs (n = 5)Back to article page