1. 1) https://www.niid.go.jp/niid/ja/kansennohanashi/315-amoeba-intro.html
2. 2) https://www.niid.go.jp/niid/ja/entamoeba-histolytica-m/entamoeba-histolytica-idwrs/9653-amebiasis-200604.html
3. 3) http://idsc.nih.go.jp/disease/En-histolytica/sokuho0744.html
4. 4) Debnath A, Rodriguez MA, Ankri S: Editorial: Recent Progresses in Amebiasis. Front Cell Infect Microbiol 9:247, 2019.
5. 5) https://www.niid.go.jp/niid/ja/syphilis-m-3/syphilis-idwrs/10201-syphilis-20210225.html