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.
Ma SL, Ng HK, Baum L, Pang JC, Chiu HF, Woo J, Tang NL, Lam LC.Ma SL, et al.Neurosci Lett. 2002 Nov 8;332(3):216-8. doi: 10.1016/s0304-3940(02)00942-4.Neurosci Lett. 2002.PMID: 12399018
Fu BY, Ma SL, Tang NL, Tam CW, Lui VW, Chiu HF, Lam LC.Fu BY, et al. Among authors: ma sl.Int J Geriatr Psychiatry. 2009 Sep;24(9):921-6. doi: 10.1002/gps.2196.Int J Geriatr Psychiatry. 2009.PMID: 19212968