TY - RPRT TI - Primary progressive freezing gait. Case report. AU - D H Nicaretta AU - J S Pereira AU - M L Pimentel PY - 1997 DO - 10.1590/s0004-282x1997000300024 UR - https://pubmed.ncbi.nlm.nih.gov/9629371/ ID - 9629371 ER -