Retronasal olfactory function in Parkinson's disease.
Landis BN, Cao Van H, Guinand N, Horvath J, Haehner A, Savva E, Hugentobler M, Lacroix JS, Burkhard PR.
Landis BN, et al. Among authors: burkhard pr.
Laryngoscope. 2009 Nov;119(11):2280-3. doi: 10.1002/lary.20547.
Laryngoscope. 2009.
PMID: 19753620