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.
Liu YP, Hsu RJ, Wu MH, Peng CC, Chang ST, Lei WT, Yeh TL, Liu JM, Lin CY.Liu YP, et al. Among authors: chang st.Int J Environ Res Public Health. 2018 Jan 23;15(2):182. doi: 10.3390/ijerph15020182.Int J Environ Res Public Health. 2018.PMID: 29360765Free PMC article.
Ma R, Chang ST, Mo XD, Lyu M, Wang Y, Zhang XH, Xu LP, Huang XJ, Sun YQ.Ma R, et al. Among authors: chang st.Zhonghua Xue Ye Xue Za Zhi. 2024 Sep 14;45(9):844-847. doi: 10.3760/cma.j.cn121090-20240217-00062.Zhonghua Xue Ye Xue Za Zhi. 2024.PMID: 39414608Free PMC article.Chinese.