G. Guardia

Prevalence of vitamin D depletion among subjects seeking advice on osteoporosis: a five-year cross-sectional study with public health implications

G. Divine, D. Rao, E. Phillips, 2007, Osteoporosis International.

High ultrasensitive serum C-reactive protein may be related to freezing of gait in Parkinson’s disease patients

I. Parees, J. Kulisevsky, P. Martínez-Martín, 2019, Journal of Neural Transmission.

Non-motor symptom burden in patients with Parkinson’s disease with impulse control disorders and compulsive behaviours: results from the COPPADIS cohort

I. Parees, J. Kulisevsky, P. Martínez-Martín, 2020, Scientific Reports.

Non-motor symptoms burden, mood, and gait problems are the most significant factors contributing to a poor quality of life in non-demented Parkinson's disease patients: Results from the COPPADIS Study Cohort.

I. Parees, J. Kulisevsky, P. Martínez-Martín, 2019, Parkinsonism & related disorders.

The impact of freezing of gait on functional dependency in Parkinson’s disease with regard to motor phenotype

I. Parees, J. Kulisevsky, P. Martínez-Martín, 2020, Neurological Sciences.

COPPADIS‐2015 (COhort of Patients with PArkinson's DIsease in Spain, 2015): an ongoing global Parkinson's disease project about disease progression with more than 1000 subjects included. Results from the baseline evaluation

I. Parees, J. Kulisevsky, P. Martínez-Martín, 2019, European journal of neurology.