Economic burden of Parkinson's disease in Singapore

- Zhao, Y. J., Tan, L. C. S., Li, S. C., Au, W. L., Seah, S. H., Lau, P. N., Luo, N., Wee, H. L.

Factors affecting health-related quality of life amongst Asian patients with Parkinson's disease

- Zhao, Y. J., Tan, L. C. S., Lau, P. N., Au, W. L., Li, S. C., Luo, N.