Comment on

• Glutamate dysfunction and selective motor neuron degeneration in amyotrophic lateral sclerosis: a hypothesis.

  Plaitakis A. Plaitakis A. Ann Neurol. 1990 Jul;28(1):3-8. doi: 10.1002/ana.410280103. Ann Neurol. 1990. PMID: 1973889
• Amyotrophic lateral sclerosis: amino acid levels in plasma and cerebrospinal fluid.

  Perry TL, Krieger C, Hansen S, Eisen A. Perry TL, et al. Ann Neurol. 1990 Jul;28(1):12-7. doi: 10.1002/ana.410280105. Ann Neurol. 1990. PMID: 2375629
• Abnormal excitatory amino acid metabolism in amyotrophic lateral sclerosis.

  Rothstein JD, Tsai G, Kuncl RW, Clawson L, Cornblath DR, Drachman DB, Pestronk A, Stauch BL, Coyle JT. Rothstein JD, et al. Ann Neurol. 1990 Jul;28(1):18-25. doi: 10.1002/ana.410280106. Ann Neurol. 1990. PMID: 2375630
• What's the excitement about excitatory amino acids in amyotrophic lateral sclerosis?

  Young AB. Young AB. Ann Neurol. 1990 Jul;28(1):9-11. doi: 10.1002/ana.410280104. Ann Neurol. 1990. PMID: 2375640 No abstract available.