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Authors
Tsujikawa, Kenji https://orcid.org/0000-0003-1380-9565
Okada, Yuki
Segawa, Hiroki
Yamamuro, Tadashi
Kuwayama, Kenji
Kanamori, Tatsuyuki
Iwata, Yuko. T.
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Article History
Received: 5 December 2024
Accepted: 5 March 2025
First Online: 28 March 2025
Declarations
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: The authors declare no conflicts of interest associated with this manuscript.
: All procedures involving human participants performed in this study 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. The purchased drug-free urine was used as a blank. Judicial authorities permitted the analysis of the case sample and publication of the analytical results.
