Lead, Mercury, and Arsenic in US- and Indian-Manufactured Ayurvedic Medicines Sold via the internet
JAMA 300:915-923, Saper,R.B.,et al., 2008
Neurological Abnormalities Associated with Remote Occupational Elemental Mercury Exposure
Ann Neurol 24:651-659, Albers,J.W.,et al, 1988
Epidemiology of Motor-Neuron Diseases
NEJM 288:1047, Bobwick,A.R.,et al, 1973