1. 1. Tsukiyama K, Tasaka Y, Nakajima M, et al. A case of pneumonitis due to sho-saiko-to. Nihon Kyobu Shikkan Gakkai Zasshi (J Jpn Soc Intern Med) 27: 1556-1561, 1989 (in Japanese, Abstract in English).
2. 2. Takeshita K, Saisho Y, Kitamura K, et al. Pneumonitis induced by ou-gon (scullcap). Intern Med 40: 764-768, 2001.
3. 3. Enomoto Y, Nakamura Y, Enomoto N, Fujisawa T, Inui N, Suda T. Japanese herbal medicine-induced pneumonitis: a review of 73 patients. Respir Investig 55: 138-144, 2017.
4. 4. Kubo K, Azuma A, Kanazawa M, et al. Consensus statement for the diagnosis and treatment of drug-induced lung injuries. Respir Investig 51: 260-277, 2013.
5. 5. Nishimori F, Yamazaki K, Jin Y, et al. Pneumonitis induced by the drug ougon. Nihon Kokyuki Gakkai Zasshi (J Jpn Soc Intern Med) 37: 396-400, 1999 (in Japanese, Abstract in English).