[5] Breza Breza M M Hirst Hirst J J Chelban Chelban V V et al et al 2021 2021 Expanding the Spectrum of AP5Z1-Related Hereditary Spastic Paraplegia (HSP-SPG48): A Multicenter Study on a Rare Disease Expanding the Spectrum of AP5Z1-Related Hereditary Spastic Paraplegia (HSP-SPG48): A Multicenter Study on a Rare Disease Mov Disord 36(4) Mov Disord 36(4) 1034 1034 1038 1038 doi:10.1002/mds.28487 doi:10.1002/mds.28487. This evidence concerns the gene AP5Z1 and hereditary spastic paraplegia.