A 44-Year-Old Woman with Difficulty Walking
JAMA 284:2632-2639, Iezzoni,L.I., 2000
Risk of Amyotrophic Lateral Sclerosis & History of Physical Activity, A Population Study
Arch Neurol 55:201-206, Longstreth,W.T.,et al, 1998
Palliative Care in Neurology
Neurol 46:870-872, 5981996., Bernat,J.L.,et al, 1996