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.
Chang CM, Yu YL, Wong M, Ng TH, Woo E, Huang CY.Chang CM, et al.Acta Neurol Scand. 1989 May;79(5):391-6. doi: 10.1111/j.1600-0404.1989.tb03806.x.Acta Neurol Scand. 1989.PMID: 2741670
Chang CM, Woo E, Yu YL, Huang CY, Chin D.Chang CM, et al.Postgrad Med J. 1987 Feb;63(736):85-9. doi: 10.1136/pgmj.63.736.85.Postgrad Med J. 1987.PMID: 3671248Free PMC article.
Wong VC, Wong MT, Ng TH, Chang CM, Fung CF.Wong VC, et al. Among authors: chang cm.Pediatr Neurol. 1991 Sep-Oct;7(5):385-8. doi: 10.1016/0887-8994(91)90072-s.Pediatr Neurol. 1991.PMID: 1764144