Nisa Leksungnoen, Tushar Andriyas, Rossarin Tansawat, Pichaya Pongchaidacha, Piyawadi Khaoiam, Thanundorn Thanusuwannasak, Chatchai Ngernsaengsaruay, Chawatat Thanoosing, Suwimon Uthairatsamee. "Higher accumulation of mitragynine in Mitragyna speciosa (kratom) leaves affected by insect attack." PLoS ONE, 2025. doi:10.1371/journal.pone.0320941