Tomohiro Yoshizawa, Yoshito Kamijo, Tomoki Hanazawa, Kiyotaka Usui. Criterion for initiating hemodialysis based on serum caffeine concentration in treating severe caffeine poisoning. American Journal of Emergency Medicine. 2021. 46. 70-73
Kiyotaka Usui, Yuji Fujita, Yoshito Kamijo, Yui Igari, Masato Funayama. LC-MS/MS method for rapid and accurate detection of caffeine in a suspected overdose case. Journal of pharmacological and toxicological methods. 2020. 106946-106946
Detection of cardiac glycosides in biological samples in a suicide case by suicide tree
(2019)
Detection of cardiac glycosides in biological samples in a suicide case by suicide tree
(The Asia Pacific Association of Medical Toxicology 2019)
A case report of a difficult diagnosis of caffeine intoxication
(The Asia Pacific Association of Medical Toxicology 2019)
Direct detection of the psychoactive substance MT-45 in human tissue samples by probe electrospray ionization-tandem mass spectrometry.
(International Symposium for Research Development in Clinical Toxicology 2018)