Prospective study of chemical exposures and amyotrophic lateral sclerosis
M G Weisskopf, N Morozova, E J O’Reilly, M L McCullough, E E Calle, M J Thun, A Ascherio
Journal of Neurology, Neurosurgery & Psychiatry May 2009, 80 (5) 558-561; DOI: 10.1136/jnnp.2008.156976