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.
Fok TF, Hon KL, So HK, Ng PC, Wong E, Lee AK, Chang A.Fok TF, et al. Among authors: ng pc.Orthod Craniofac Res. 2004 Feb;7(1):10-4. doi: 10.1046/j.1601-6335.2003.00274.x.Orthod Craniofac Res. 2004.PMID: 14989749
Ng PC, So KW, Fok TF, To KF, Wong W, Liu K.Ng PC, et al.Acta Paediatr. 1996 Jul;85(7):884-6. doi: 10.1111/j.1651-2227.1996.tb14175.x.Acta Paediatr. 1996.PMID: 8819562
Fok TF, Ng PC, Wong W, Lee CH, So KW.Fok TF, et al. Among authors: ng pc.Arch Dis Child Fetal Neonatal Ed. 1997 Mar;76(2):F123-5. doi: 10.1136/fn.76.2.f123.Arch Dis Child Fetal Neonatal Ed. 1997.PMID: 9135292Free PMC article.