David Koh , CN Ong , WO Phoon ,
Journal of traffic medicine 18 ( 2) 61 -67
David SQ Koh , Sheena XM Wong , Justin Wong ,
Western Pacific Surveillance and Response 11 ( 4) 43 -45
HP Chia , D Koh , LL Cheong , PH Tang
Singapore Medical Journal 41 ( 5) 202 -205
XL Gao , CYS Hsu , T Loh , D Koh
Community Dental Health 26 ( 1) 12 -17
GCT Chan , D Koh ,
Singapore Medical Journal 48 ( 2) 166 -171
AM Gazzard , SM Saw , D Koh , M Farook
Investigative Ophthalmology & Visual Science 43 ( 13) 1515 -1515
M Kothubutheen , G Gazzard , SM Saw , D Koh
Investigative Ophthalmology & Visual Science 43 ( 13) 3064 -3064
D Koh , Y Yang , L Khoo , SZ Nyunt
Annals Academy of Medicine Singapore 33 ( 3) 307 -310
SSC Chan , JPL Yau , DYP Leung , AYM Leung
Circulation
SM Lee , D Koh ,
Singapore Medical Journal 49 ( 5) 372 -375
ML Wong , F Alsagoff , D Koh ,
Singapore Medical Journal 33 ( 4) 341 -346
D Koh , HP Chia ,
Annals Academy of Medicine Singapore 23 ( 5) 737 -741
SM Lee , CF Sum , D Koh ,
Singapore Medical Journal 50 ( 12) 1200 -1206
J Jeyaratnam , KS Chia , D Koh ,
Annals Academy of Medicine Singapore 23 ( 5) 637 -638
MS Zuraimi , K Tham , D Koh , J Sundell
Epidemiology 19 ( 6)
D Koh , G Chan , E Yap ,
Occupational and Environmental Medicine 61 ( 2) 180 -183
D Koh , SM Lee ,
Occupational and Environmental Medicine 60 ( 1) 1 -2
D Koh , V Ng , LH Chua , Y Yang
Occupational and Environmental Medicine 60 ( 9) 696 -698
D Koh , Tar-Ching Aw ,
Occupational and Environmental Medicine 60 ( 9) 705 -710
D Koh , J Lee ,
Asia-Pacific Journal of Public Health 1 ( 3) 49 -54