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. Author manuscript; available in PMC: 2023 Dec 11.
Published in final edited form as: Brain Res. 2017 Oct 10;1702:74–84. doi: 10.1016/j.brainres.2017.09.033

Figure 1: 13N-Ammonia and 18F-dopamine thoracic positron emission tomographic images from a normal control subject, a patient with pure autonomic failure (PAF), a patient with multiple system atrophy (MSA), and a patient with Parkinson’s disease (PD).

Figure 1:

Note markedly decreased myocardial 18F-dopamine-derived radioactivity in PAF and PD.