Vicente Quiroz, M.D. and Amy Tam, B.Sc. presenting updates on the International Registry & Natural History Study for Early-Onset Hereditary Spastic Paraplegia at the Annual AP-4-HSP Research Conference in Boston, MA. Posted on October 24, 2023December 23, 2023 by admin https://www.def-lab.org/wp-content/uploads/2023/10/AP-4_Conference_NHx_FullVideo-1-1.mp4