J. D. Sa

One year follow up study of primary and transitional progressive multiple sclerosis

A. Thompson, F. Barkhof, M. Rovaris, 2000, Journal of neurology, neurosurgery, and psychiatry.

Cognitive function in primary progressive and transitional progressive multiple sclerosis: a controlled study with MRI correlates.

A. Thompson, M. Filippi, D. Miller, 1999, Brain : a journal of neurology.

Primary and transitional progressive MS

F. Barkhof, M. Rovaris, M. Filippi, 1999, Neurology.

PRIMARY PROGRESSIVE MULTIPLE SCLEROSIS

A J Thompson, C H Polman, A. Thompson, 1997 .

Month of birth and risk of multiple sclerosis in a Portuguese population

M. Sá, P. Barros, J. D. Sá, 2013, Clinical Neurology and Neurosurgery.