Hummel T, Kobal G, Gudziol H, Mackay-Sim A.
Normative data for the “Sniffin' Sticks” including tests of odor identification, odor discrimination, and olfactory thresholds: an upgrade based on a group of more than 3,000 subjects.
Eur Arch Otorhinolaryngol 2007;
264 (03) 237-243
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