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.
Guo SM, Roche AF, Yeung DL.Guo SM, et al. Among authors: yeung dl.Can J Public Health. 1990 May-Jun;81(3):215-21.Can J Public Health. 1990.PMID: 2361209
He M, Mei J, Jiang Z, Chen Q, Ma J, Dai J, Li M, Su Y, Lui SS, Yeung DL, Anderson GH.He M, et al. Among authors: yeung dl.J Paediatr Child Health. 2001 Oct;37(5):456-64. doi: 10.1046/j.1440-1754.2001.00691.x.J Paediatr Child Health. 2001.PMID: 11885709
Yeung DL, Scythes CA, Zimmerman SA, Pennell MD.Yeung DL, et al.Can J Public Health. 1986 Sep-Oct;77(5):363-6.Can J Public Health. 1986.PMID: 3791118No abstract available.
Yeung DL, Pennell MD, Leung M, Hall J, Anderson GH.Yeung DL, et al.Can Med Assoc J. 1981 Nov 1;125(9):999-1002.Can Med Assoc J. 1981.PMID: 7332896Free PMC article.
Tanaka PA, Yeung DL, Anderson GH.Tanaka PA, et al. Among authors: yeung dl.Can J Public Health. 1989 May-Jun;80(3):200-4.Can J Public Health. 1989.PMID: 2743243