1. Motor neuron disease (amyotrophic lateral sclerosis) arising from longstanding primary lateral sclerosis. Issue 6 (June 1995) Authors: Bruyn, R P; Koelman, J H; Troost, D; de Jong, J M Journal: Journal of neurology, neurosurgery and psychiatry Issue: Volume 58:Issue 6(1995) Page Start: 742 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗