2. Gros A, Manera V, De March CA, Guevara N, König A, Friedman L, et al. Olfactory disturbances in ageing with and without dementia: towards new diagnostic tools. J Laryngol Otol 2017;131:572–9.
3. Barresi M, Ciurleo R, Giacoppo S, Foti Cuzzola V, Celi D, Bramanti P, et al. Evaluation of olfactory dysfunction in neurodegenerative diseases. J Neurol Sci 2012; 323:16–24.
4. Eibenstein A, Fioretti AB, Lena C, Rosati N, Amabile G, Fusetti M. Modern psychophysical tests to assess olfactory function. Neurol Sci 2005; 26(3):147–55.
5. Hummel T, Sekinger B, Wolf SR, Pauli E, Kobal G. ‘Sniffin’ sticks’: olfactory performance assessed by the combined testing of odor identification, odor discrimination and olfactory threshold. Chem Senses 1997; 22: 39–52.
6. Kobal G., Hummel T., Sekinger B, Barz S, Roscher S, Wolf S.‘Sniffin’ sticks’’: screening of olfactory performance. Rhinology 1996; 34(4):222–6.
7. Mackay-Sim A, Grant L, Owen C, Chant D, Silburn P. Australian norms for a quantitative olfactory function test. J Clin Neurosci 2004;11: 874–9.
8. A Eibenstein, AB Fioretti, C Lena, N Rosati, I Ottaviano, M Fusetti. Olfactory screening test: experience in 102 Italian subjects. Acta Otorhinolaryngol Ital 2005; 25(1): 18–22.
9. Boesveldt S, Verbaan D, Knol DL, van Hilten JJ, Berendse HW. Odour identification and discrimination in Dutch adults over 45 years. Rhinology 2008; 46(2):131-6.
10. Silveira-Moriyama L, Sirisena D, Gamage P, Gamage R, de Silva R, Lees AJ. Adapting the Sniffin' Sticks to diagnose Parkinson's disease in Sri Lanka.Mov Disord 2009 15; 24(8):1229-33.
11. Jiang RS, Su MC, Liang KL, Shiao JY, Wu SH, Hsin CH. A pilot study of a traditional Chinese version of the University of Pennsylvania Smell Identification Test for application in Taiwan. Am J Rhinol Allergy 2010; 24:45–50.
12. Silveira-Moriyama L, Azevedo AM, Ranvaud R, Barbosa ER, Doty RL, Lees AJ. Applying a new version of the Brazilian-Portuguese UPSIT smell test in Brazil. Arq Neuropsiquiatr 2010; 68:700–5.
13. Altundag A, Tekeli H, Salihoglu M, Cayonu M, Yasar H, Kendirli MT, et al. Cross-culturally modified University of Pennsylvania Smell Identification Test for a Turkish population. Am J Rhinol Allergy 2015; 29:e138–41.
14. Fornazieri MA, Doty RL, Santos CA, Pinna Fde R, Bezerra TF, Voegels RL. A new cultural adaptation of the University of Pennsylvania Smell Identification Test. Clinics (Sao Paulo) 2013; 68: 65–8.
16. Gautam SH, Short SM, Verhagen JV. Retronasal odor concentration coding in glomeruli of the rat olfactory bulb. Front Integr Neurosci 2014:24; 8:81.
17. Hasin-Brumshtein Y, Lancet D, Olender T. Human olfaction: from genomic variation to phenotypic diversity.Trends Genet 2009; 25: 178–84.
18. Walker JC, Hall SB, Walker DB, Kendal-Reed MS, Hood AF, Niu XF. Human odor detectability: new methodology used to determine threshold and variation. Chem Senses 2003; 28:817–26.
19. Brattoli M, de Gennaro G, de Pinto V, Loiotile AD, Lovascio S, Penza M. Odour detection methods: olfactometry and chemical sensors. Sensors (Basel) 2011; 11:5290–322.
20. Rosenkranz HS, Cunningham AR. Environmental odors and health hazards. Sci Total Environ 2003; 313:15–24.
21. Greenberg MI, Curtis JA, Vearrier D. The perception of odor is not a surrogate marker for chemical exposure: a review of factors influencing human odor perception. Clin Toxicol (Phila) 2013; 51:70–6.
22. Malnic B, Godfrey PA, Buck LB. The human olfactory receptor gene family. Proc Natl Acad Sci USA 2004; 101:2584–9.
24. Takagi SF.A standardized olfactometer in Japan. A review over ten years. Ann N Y Acad Sci 1987; 510:113–8.
25. Doty RL. Olfactory dysfunction and its measurement in the clinic and workplace. Int Arch Occup Environ Health 2006; 79:268–82.
26. Jiang RS, Su MC, Liang KL, Shiao JY, Wu SH, Hsin CH. A pilot study of a traditional Chinese version of the University of Pennsylvania Smell Identification Test for application in Taiwan. Am J Rhinol Allergy 2010; 24:45–50.
27. Velayudhan L, Gasper A, Pritchard M Baillon S, Messer C, Proitsi P. Pattern of Smell Identification Impairment in Alzheimer's Disease. J Alzheimers Dis 2015; 46:381–7.
28. Ogihara H, Kobayashi M, Nishida K, Kitano M, Takeuchi K. Applicability of the cross-culturally modified University of Pennsylvania Smell Identification Test in Japanese Population. Am J Rhinol Allergy 2011; 25:404–10.
29. Vengalil S, Agadi JB, Raghavendra K. University of Pennsylvania Smell Identification Test Abnormalities in Parkinson's Disease. J Assoc Physicians India 2016; 64:32–6.
30. Sela L, Sobel N. Human olfaction: a constant state of change-blindness. Exp Brain Res 2010; 205(1): 13–29.
31. Stevenson RJ. Attuquayefio T. Human olfactory consciousness and cognition:its unusual features may not result from unusual functions but from limited neocortical processing resources. Front Psychol 2013; 4:819.
32. 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; 264:237–43.
33. Doty RL. The olfactory system and its disorders. Semin Neurol 2009; 29:74–81.
34. Oleszkiewicz A, et al. Developmental Changes in Adolescents’ Olfactory Performance and Significance of Olfaction. PLOS ONE 2016; 11:e0157560.
35. Monnery-Patris S, Rouby C, Nicklaus S, Issanchou S. Development of olfactory ability in children: sensitivity and identification. Dev Psychobiol 2009; 51:268–76.
36. Richard L, Doty and E. Leslie Cameron. Sex differences and reproductive hormone influences on human odor perception. Physiol Behav 2009; 97: 213–28.
37. Navarrete-Palacios E, Hudson R, Reyes-Guerrero G, Guevara-Guzmán R. Lower olfactory threshold during the ovulatory phase of the menstrual cycle. Biol Psychol 2003; 63:269–79.
38. Nordin S, Broman DA, Olofsson JK, Wulff M. A
longitudinal descriptive study of self-reported abnormal smell and taste perception in pregnant women. Chem Senses 2004; 29:391–402.
39. Doty RL, Hall JW, Flickinger GL, Sondheimer SJ. Cyclic changes in olfactory and auditory sensitivity during the menstrual cycle: No attenuation by oral contraceptive medication. In: Breipohl W, ed. Olfaction and endocrine regulation. London, IRL Press, 1982. 35-42.