1. Yazaki Y, editor. ASAKURA internal medicine. (Naikagaku). 11th ed. Tokyo, Asakura Shoten; 2019. (in Japanese).
2. Nishida J, et al., editors. Internal medicine for the odontology. (Shika no tame no Naikagaku). Revised 4th ed. Tokyo: Nankodo; 2018. (in Japanese).
3. Shirasuna K, Kogo M, editors. Oral surgery. (Kouku Gekagaku). 3rd ed. Tokyo: Ishiyaku Shuppan; 2010. (in Japanese).
4. Kizaki M, Tamaru J, editors. Pathogenesis of leukemia and lymphoid tumors according to the revised fourth edition of the WHO classification. (WHO Bunrui Kaitei Dai 4 han niyoru Hakketsubyo Lympakei Shuyou no Byoutaigaku). Tokyo: Chugai Igaku-sha; 2019. (in Japanese).
5. The Japanese Society of Hematology, editor. Practical guidelines for hematological malignances, 2018, revised version (Zouketsuki Shuyou Shinryou guideline). 2018 ed. Tokyo: Kanehara Shuppan; 2018. (in Japanese).