Heterogeneous Patterns of Striatal Dopamine Loss in Patients with Young- versus Old-Onset Parkinson’s Disease: Impact on Clinical Features
Journal of Movement Disorders. 2019;12(2):113-119 
Old-onset Parkinson's disease compared with young-onset disease: clinical differences and similarities
Acta Neurologica Scandinavica. 2009;89(4):258-261
Dopamine and Early Onset Parkinson’s Disease
Dopamine - Health and Disease. 2018;
Young-Onset Parkinson’s Disease
Encyclopedia of Clinical Neuropsychology. 2011;2738-2738
Differential response of striatal dopamine and muscarinic cholinergic receptor subtypes to the loss of dopamine. III. Results in Parkinson's disease cases
Brain Research. 1993;600(1):156-160
Plasticity of afferent fibers to striatal neurons bearing D1 dopamine receptors in Parkinson's disease
Movement Disorders. 2001;16(3):435-441
Treatment of young-onset Parkinson's disease: role of dopamine receptor agonists
Parkinsonism & Related Disorders. 2009;15:S71-S75
Young- versus older-onset Parkinson's disease: Impact of disease and psychosocial consequences
Movement Disorders. 2003;18(11):1250-1256
The Clinical Features and Progression of Late-Onset Versus Younger-Onset in an Adult Cohort of Huntington’s Disease Patients
Journal of Huntington's Disease. 2020;1-8
Striatal dopamine loss and discriminative sensory dysfunction in Parkinson's disease
Acta Neurologica Scandinavica. 2012;126(5):344-349