Ishida, Riichiro (2012). "Reducing Anxiety in Stutterers through the Association between "Purpose in Life/Ikigai" and Emotions". Global Journal of Health Science. 4 (5). ss. 120-4. doi:10.5539/gjhs.v4n5p120. PMC4776915 $2. PMID22980384.
Sone T., Nakaya N., Ohmori K., Shimazu T., Higashiguchi M., Kakizaki M., Kikuchi N., Kuriyama S., Tsuji I. (2008). "Sense of life worth living (ikigai) and mortality in Japan: Ohsaki Study". Psychosomatic Medicine. 70 (6). ss. 709-15. doi:10.1097/PSY.0b013e31817e7e64. PMID18596247.KB1 bakım: Birden fazla ad: yazar listesi (link)
Tanno K., Sakata K., Ohsawa M., Onoda T., Itai K., Yaegashi Y., Tamakoshi A.; JACC Study Group. (2009). "Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study". Journal of Psychosomatic. 67 (1). ss. 67-75. doi:10.1016/j.jpsychores.2008.10.018. PMID19539820.KB1 bakım: Birden fazla ad: yazar listesi (link)
Ishida, Riichiro (2012). "Reducing Anxiety in Stutterers through the Association between "Purpose in Life/Ikigai" and Emotions". Global Journal of Health Science. 4 (5). ss. 120-4. doi:10.5539/gjhs.v4n5p120. PMC4776915 $2. PMID22980384.
Sone T., Nakaya N., Ohmori K., Shimazu T., Higashiguchi M., Kakizaki M., Kikuchi N., Kuriyama S., Tsuji I. (2008). "Sense of life worth living (ikigai) and mortality in Japan: Ohsaki Study". Psychosomatic Medicine. 70 (6). ss. 709-15. doi:10.1097/PSY.0b013e31817e7e64. PMID18596247.KB1 bakım: Birden fazla ad: yazar listesi (link)
Tanno K., Sakata K., Ohsawa M., Onoda T., Itai K., Yaegashi Y., Tamakoshi A.; JACC Study Group. (2009). "Associations of ikigai as a positive psychological factor with all-cause mortality and cause-specific mortality among middle-aged and elderly Japanese people: findings from the Japan Collaborative Cohort Study". Journal of Psychosomatic. 67 (1). ss. 67-75. doi:10.1016/j.jpsychores.2008.10.018. PMID19539820.KB1 bakım: Birden fazla ad: yazar listesi (link)