Bambou Médecine Sichuan Chengdu Tianhui Han mu yi jian de mingming yu xueshu yuanliu kao 四川成都天回汉墓医简的命名与学术源流考 = On the Naming and Academic Origin of the Medical Bamboo Slips Unearthed from the Han Tombs at Tianhui Town in Chengdu, Sichuan