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.
Chew QH, Chia FL, Ng WK, Lee WCI, Tan PLL, Wong CS, Puah SH, Shelat VG, Seah ED, Huey CWT, Phua EJ, Sim K.Chew QH, et al.Int J Environ Res Public Health. 2020 Sep 9;17(18):6572. doi: 10.3390/ijerph17186572.Int J Environ Res Public Health. 2020.PMID: 32916996Free PMC article.
Sum MY, Chew QH, Sim K.Sum MY, et al. Among authors: chew qh.J Grad Med Educ. 2019 Aug;11(4 Suppl):85-90. doi: 10.4300/JGME-D-18-00795.J Grad Med Educ. 2019.PMID: 31428263Free PMC article.
Chew QH, Ang LP, Tan LL, Chan HN, Ong SH, Cheng A, Lai YM, Tan MY, Tor PC, Gwee KP, Sim K.Chew QH, et al.BMJ Open. 2019 Aug 30;9(8):e030619. doi: 10.1136/bmjopen-2019-030619.BMJ Open. 2019.PMID: 31473623Free PMC article.
Ang RX, Chew QH, Sum MY, Sengupta S, Sim K.Ang RX, et al. Among authors: chew qh.GMS J Med Educ. 2019 Aug 15;36(4):Doc37. doi: 10.3205/zma001245. eCollection 2019.GMS J Med Educ. 2019.PMID: 31544137Free PMC article.