Phototest: Normative data for the Portuguese population.

Bibliographic reference: 

Dias, E., Pinto, J., Lopes, J., Rego, R., Carnero-Pardo, C., Peixoto, B. (2014). Phototest: Normative data for the Portuguese population. Journal of Clinical Gerontology and Geriatric, 6(2), 59-62