Helali, Helya and Samani, Nastaran and Tabeie, Faraj and Eiliaei, Shiva and Kheradmand, Ali (2025) The effectiveness of Transcranial Photobiomodulation therapy (tPBM) on reducing anxiety, depression, and opioid craving in patients undergoing methadone maintenance treatment: a double-blind, randomized, controlled trial. BMC Psychiatry , 25 , (1) .