1. The World Federation of Neurology classification of spinal muscular atrophies and other disorders of motor neurons (J.M.B.V. de Jong). 2. Adult progressive muscular atrophy and hereditary spinal muscular atrophies (F.H. Norris). 3. The postpolio syndrome (D.W. Mulder). 4. Special forms of spinal muscular atrophy (G.W. Padberg). 5. Werdnig-Hoffmann disease and variations (M. Osawa and K. Shishikura). 6. Wohlfart-Kugelberg-Welander disease (S. Zierz and K. Zerres). 7. Spinal muscular atrophy of infantile and juvenile onset, due to metabolic derangement (J. Troost). 8. Non-progressive juvenile atrophy of the distal upper limb () (K. Hirayama). 9. Progressive bulbar paralysis of childhood (M.R. Gomez). 10. Progressive dysautonomias (O. Appenzeller). 11. Amyotrophic lateral sclerosis (H.R. Tyler and J. Shefner). 12. Progressive bulbar palsy in adults (G.W. Bruyn). 13. Dementia and parkinsonism in amyotrophic lateral sclerosis (A.J. Hudson). 14. Familial amyotrophic lateral sclerosis (D.B. Williams). 15. Amyotrophic lateral sclerosis in the Mariana Islands (R.M. Garruto and R. Yanagihara). 16. Amyotrophic lateral sclerosis and parkinsonism-dementia in the Kii Peninsula - comparison with the same disorders in Guam and with Alzheimer's disease (H. Shiraki and Y. Yase). 17. Hereditary spastic paraparesis () (R.P.M. Bruyn and Ph. Scheltens). 18. Ferguson-Critchley syndrome (R.P.M. Bruyn and G.W. Bruyn). 19. Hereditary spastic paraplegia with retinal disease (C.G. Wells, W.T. Longstretch Jr. and C.H. Smith). 20. Hereditary secondary dystonias (E.J. Novotny). 21. Spastic paraparesis due to metabolic disorders (H.W. Moser, A. Bergin and S. Naidu). 22. Differential diagnosis of spinal muscular atrophies and other disorders of motor neurons with infantile or juvenile onset (M. de Visser, P.A. Bolhuys and P.G. Barth). 23. Differential diagnosis of sporadic amyotrophic lateral sclerosis, progressive spinal muscular atrophy and progressive bulbar palsy in adults (E.S. Louwerse, P.A.E. Sillevis Smitt and J.M.B.V de Jong). 24. Differential diagnostic work-up of spastic para()plegia (G.W. Bruyn). 25. HTLV-1-associated motor neuron disease (G.C. Roman, J.-C. Vernant and M. Osame). 26. Palliative treatment of motor neuron disease (R.A. Smith, E. Gillie and J. Licht). 27. Hemiatrophies and hemihypertrophies (G.W. Bruyn and R.P.M. Bruyn). Index.
