According to a 2016 report in Forensic Science International, "the emergence of new SCs are the result of subjecting them to control."
ອີງຕາມບົດລາຍງານປີ 2016 ໃນ Forensic Science International, "ການເກີດຂື້ນຂອງ SCs ໃຫມ່ ແມ່ນຜົນຂອງການຄວບຄຸມພວກເຂົາ."