2-Amino-3 (methylamino)-propionic acid in cycad-derived foods is an unlikely cause of amyotrophic lateral sclerosis/parkinsonism.
D000690:Amyotrophic Lateral Sclerosis / Q000139:chemically induced*; D006801:Humans; D010302:Parkinson Disease, Secondary / Q000139:chemically induced*; D010945:Plants, Edible