Baseline prevalence and longitudinal evolution of non-motor symptoms in early Parkinson’s disease: the PPMI cohort - Simuni, Tanya; Caspell-Garcia, Chelsea; Coffey, Christopher S; Weintraub, Daniel; Mollenhauer, Brit; Lasch, Shirley; Tanner, Caroline M; Jennings, Danna; Kieburtz, Karl; Chahine, Lana M; Marek, Kenneth (Journal of neurology, neurosurgery and psychiatry, 2018)
Keywords: Age Factors; Amyloid beta-Peptides - cerebrospinal fluid; Amyloid beta-Peptides - genetics; Biomarkers - cerebrospinal fluid; Disease Progression; Early Diagnosis; Female; Humans; Longitudinal Studies; Male; Middle Aged; Movement Disorders; Parkinson Disease - cerebrospinal fluid; Parkinson Disease - diagnosis; Parkinson's disease; Prevalence; Prospective Studies; Severity of Illness Index; Sex Factors; non-motor symptoms; parkinson’s disease; biomarkers