Pasaribu, A.E.S. and Umbul, M.A. 2026. The Role of Olfactory Testing in Detecting Prodromal Phase Parkinson’s Disease: A Literature Review. Lumina : Indonesian Journal of Neurology. 2, 2 (Aug. 2026), 32–38. DOI:https://doi.org/10.19166/lijn.v2i2.11522.