Reinforcement and MAO-A inhibition in heated tobacco products: flavor and brand variations - Li, Xiangyu; Ding, Zheng; Jiang, Xingyi; Wang, Hongjuan; Luo, Yanbo; Chen, Huan; Pang, Yongqiang; Hou, Hongwei; Hu, Qingyuan (Frontiers in Psychiatry, 2025)