Rebel is a dignified, quiet, and loyal gentleman in his golden years. He is an 8-year-old Chihuahua/Miniature Pinscher mix. Rebel has lived with other dogs and enjoys their company. He is ...

Repeated evaluations over 3 years by positron emission tomography (PET) demonstrated progressive and persistent loss of neuronal dopamine pre-synaptic re-uptake sites; repeated magnetic resonance ...