References
- Uemura M, Kosaka T, Shimohata T, Ishikawa M, Nishihira Y, Toyoshima Y, . Dropped head syndrome in amyotrophic lateral sclerosis. Amyotroph Lateral Scler. 2012 (PMID: 23030515).
- Suarez GA, Kelly JJ. The dropped head syndrome. Neurology. 1992;42:1625–7.
- de Carvalho M, Pinto S, Swash M. Association of paraspinal and diaphragm denervation in ALS. Amyotroph Lateral Scler. 2010;11:63–6.