Naomi Katayama, Syoko Kondo, Yui Ando, Youko Ashihara, Nene Kawano, Mrika Shibuya, and Misaki Nanao. 2020. “Results of Comparison of Two Types of Olfactory Recognition Tests Performed on 112 Peoples. - 34 High School Students, 55 University Students, and 23 Middle-Aged”. Global Journal of Medical Research 20 (K6):31-35. https://medicalresearchjournal.org/index.php/GJMR/article/view/2106.