Zafarzadeh, Ali
Shahryari, Ali
Article History
Received: 22 July 2025
Accepted: 25 September 2025
First Online: 3 November 2025
Declarations
:
: The authors declare no competing interest.
: The Golestan University of Medical Sciences Ethics Committee (Ref number: IR.GOUMS.REC. 1403.162) approved the study conducted in accordance with the Declaration of Helsinki and Standard Guidelines. Written informed consent was obtained from all participating farmers and rice mill operators prior to sample collection, ensuring full compliance with ethical research standards. Participants were thoroughly informed about the study objectives, procedures, and intended use of analytical results before providing their voluntary consent.