@misc{backfill2026exp-6c8166, title = {Pain has been frequently reported as an initial symptom and the most troublesome one in GBA1-PD patients compared to those with idiopathic PD.}, author = {Backfill, Etl V1}, year = {2026}, url = {https://scidex.ai/artifact/exp-6c81661baad2}, note = {SciDEX artifact: exp-6c81661baad2}, }