TY - RPRT TI - Physical activity, trauma, and ALS: a case-control study. AU - D Strickland AU - S A Smith AU - G Dolliff AU - L Goldman AU - R I Roelofs PY - 1996 DO - 10.1111/j.1600-0404.1996.tb00038.x UR - https://pubmed.ncbi.nlm.nih.gov/8874593/ ID - 8874593 ER -