Human isotopic evidence from the Guanzhong Basin casts light on a century of agricultural and pastoral interactions at medieval metropolitan Chang'an during sixth century AD. - Sheng, Pengfei; Allen, Edward; Ma, Tian; Dao, Yiyuan; Zhang, Jianlin; Liu, Daiyun; Han, Sheng; Meng, Hailiang; Wen, Shaoqing (Humanities & Social Sciences Communications, 2023)