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.
Yang TY, Chang TY.Yang TY, et al. Among authors: chang ty.J Med Ultrasound. 2024 Mar 21;32(1):8-13. doi: 10.4103/jmu.jmu_123_23. eCollection 2024 Jan-Mar.J Med Ultrasound. 2024.PMID: 38665338Free PMC article.Review.
Wang JT, Lee HJ, Chang TY.Wang JT, et al. Among authors: chang ty.J Med Ultrasound. 2024 Aug 28;32(3):202-208. doi: 10.4103/jmu.jmu_63_24. eCollection 2024 Jul-Sep.J Med Ultrasound. 2024.PMID: 39310876Free PMC article.Review.