References
- Doty RL, Frye RE, Agrawal U. Internal consistency reliability of the fractionated and whole University of Pennsylvania Smell Identification Test. Perception and Psychophysics 1989; 45: 381–4.
- Cain WS, Goodspeed RB, Gent JF, Leonard G. Evalu-ation of olfactory dysfunction in the Connecticut Chemosensory Clinical Research Center. Laryngoscope 1988; 98: 83–8.
- Kobal G, Hummel T, Sekinger B, Barz S, Roscher S, Wolf S. Sniffin'Sticks": screening of olfactory perfor-mance. Rhinology 1996; 34: 222–6.
- Hummel T, Sekinger B, Wolf SR, Pauli E, Kobal G. Sniffin'Sticks": olfactory performance assessed by the combined testing of odor identification, odor discrimi-nation and olfactory threshold. Chem Senses 1997; 22: 39–52.
- Doty RL. Olfactory System. In: Getchell TV, Doty RL, Bartoshuk LM, Snow JB, eds. Smell, and taste in health and disease. New York: Raven Press, 1991: 175–204.
- Hays W. Statistics for the social sciences. New York: Holt, Rinehart and Winston, 1993: 179–84.
- Doty RL, Shaman P, Kimmelman CP, Dann MS. University of Pennsylvania Smell Identification Test: A rapid quantitative olfactory function test for the clinic. Laryngoscope 1984; 94: 176–8.
- Wolfensberger M, Schnieper I. Sniffin'Sticks®: Ein neues Instrument zur Geruchsprüfung im klinischen Alltag. HNO 1999; 47: 629–36.
- Kobal G, Stefan H. Diagnostische Methoden zur Er-fassung von Riechstörungen bei neurologischen Erkrankungen. Nervenarzt 1995; 66: 869–84.
- Doty RL, Marcus A, Lee WW. Development of the 12-item Cross-Cultural Smell Identification Test (CC-SIT). Laryngoscope 1996; 106: 353–6.
- Hfittenbrink K-B, Riech- und Schmeckstörungen: Be-währtes und Neues zu Diagnostik und Therapie. Laryngol Rhinol Otol 1997; 76: 506–14.