An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Yu N, Zheng C, Zhang YP, Li WH.Yu N, et al. Among authors: zhang yp.Mol Phylogenet Evol. 2000 Jul;16(1):85-95. doi: 10.1006/mpev.2000.0776.Mol Phylogenet Evol. 2000.PMID: 10877942
Yuan ZG, Yao YG, Ma ZX, Pang QP, Jie YR, Ma J, Zhang YP.Yuan ZG, et al. Among authors: zhang yp.Yi Chuan Xue Bao. 2001;28(2):95-102.Yi Chuan Xue Bao. 2001.PMID: 11233265Chinese.