It was only during the late Eastern Han or the period of Wei, Jin, Northern and Southern Dynasties that tilling with cattle appeared in the northern Central Plains, and still later in South China.
东汉后期或魏晋南北朝,北方中原地区始进入牛耕时代,南方还要晚一些。
Objective: To investigate the association of HLA-DRB1 alleles and generalized vitiligo in the Han nationality in northern China.
目的:探讨HLA - DRB1等位基因与中国北方汉族泛发型白癜风的相关性。
应用推荐