PT - JOURNAL ARTICLE AU - G C Román TI - Neuroepidemiology of amyotrophic lateral sclerosis: clues to aetiology and pathogenesis. AID - 10.1136/jnnp.61.2.131 DP - 1996 Aug 01 TA - Journal of Neurology, Neurosurgery & Psychiatry PG - 131--137 VI - 61 IP - 2 4099 - http://jnnp.bmj.com/content/61/2/131.short 4100 - http://jnnp.bmj.com/content/61/2/131.full SO - J Neurol Neurosurg Psychiatry1996 Aug 01; 61