TY - RPRT TI - Primary lateral sclerosis. A case report with SPECT study. AU - W O Arruda AU - M Coelho Neto PY - 1998 DO - 10.1590/s0004-282x1998000300018 UR - https://pubmed.ncbi.nlm.nih.gov/9754430/ ID - 9754430 ER -