1993
- Doty RL, Golbe LI, McKeown DA, Stern MB, Lehrach CM, Crawford D. Olfactory testing differentiates between progressive supranuclear palsy and idiopathic Parkinson’s disease. Neurology; 1993; 43: 962-965. (UPSIT)
2010
- Silveira-Moriyama L, Hughes G, Church A, Ayling H, Williams DR, Petrie A, et al. Hyposmia in progressive supranuclear palsy. Mov Disord. 2010 Apr 15; 25(5): 570-7. (UPSIT)
2017
- Doty RL.Olfactory dysfunction in neurodegenerative diseases: is there a common pathological substrate? Lancet Neurol. 2017 Jun;16(6):478-488. doi: 10.1016/S1474-4422(17)30123-0. (UPSIT)
2025
- Sarkar Z, Tandon R. Olfactory dysfunction in Parkinson-plus syndromes: A comparison among themselves and controls. J Neurosci Rural Pract. 2025:16:217-23. doi: 10.25259/JNRP_263_2024 (UPSIT)