Minakata, Kayoko
Hasegawa, Koutaro
Nozawa, Hideki
Yamagishi, Itaru
Saitoh, Takeji
Yoshino, Atsuto
Suzuki, Masako
Kitamoto, Takuya
Suzuki, Osamu
Watanabe, Kanako
Article History
Received: 2 September 2018
Accepted: 3 October 2018
First Online: 16 October 2018
Compliance with ethical standards
:
: There are no financial or other relations that could lead to a conflict of interest.
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the international and/or national committee and with the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. Informed consent was obtained from all participants included in the study, who supplied about 10 mL each of blood and/or 40 mL each of urine for use as blank samples. The analyses of toxic substances from patients presenting to emergency department of the hospital and the individual who was suspected by the police having used illegal drugs were permitted by judicial authorities and supported by official documentation.