Microstructure observation and flavor substances excavation of Yunyan 87 tobacco leaves with different oil contents - Hu, Xianfeng; Xu, Wei; Zhang, Yubo; Pan, Shouhui; Xie, Yanlan; Liao, Rui; Yang, Shenggang; Wu, Youxiang; Deng, Daomao (Frontiers in Plant Science, 2025)