1. Aran, F. A. Research on an as yet undescribed disease of the muscular system (progressive muscular atrophy). Arch. Gen. Med. 24, 15–35 (1848).
2. Cruveilhier, J. Sur la paralysie musculaire, progressive, atrophique [French]. Bull. Acad. Med. (Paris) 18, 490–502, 546–583 (1852).
3. Charcot, J. M. & Joffroy, A. Deux cas d'atrophie musculaire progressive avec lesions de la substance grise et des faisceaux antero-lateraux de la moelle epiniere [French]. Arch. Physiol. Neurol. Pathol. 2, 744 (1869).
4. Kurland, L. T. & Mulder, D. W. Epidemiologic investigations of amyotrophic lateral sclerosis. 2. Familial aggregations indicative of dominant inheritance. I. Neurology 5, 182–196 (1955).
5. Kurland, L. T. & Mulder, D. W. Epidemiologic investigations of amyotrophic lateral sclerosis. 2. Familial aggregations indicative of dominant inheritance. II. Neurology 5, 249–268 (1955).