Article History
Received: 29 September 2021
Accepted: 3 February 2022
First Online: 11 February 2022
Declarations
:
: This study was conducted with the approval of the Forensic Medicine Council Scientific Board of Ministry of Justice Turkey. All procedures performed in this study were in accordance with the ethical standards of the national committee and with the 1964 Declaration of Helsinki. Biological fluid (blood and urine) collection from drug use suspects was conducted by judicial authorities, and the samples were sent to the Forensic Medicine Council for analysis at their request. Blank blood samples were obtained from a regional blood donation center, and blank urine samples were collected from healthy nondrug user volunteers.
: The authors declare no competing interests.
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