TY - RPRT TI - Trace element studies in amyotrophic lateral sclerosis (ALS). AU - J D Mitchell AU - B W East AU - I A Harris AU - B Pentland PY - 1986 DO - 10.1111/j.1600-0773.1986.tb02801.x UR - https://pubmed.ncbi.nlm.nih.gov/3776607/ ID - 3776607 ER -