D. Koh

Antiphospholipid syndrome in Asians: clinical manifestations, serological markers and outcome of the National University of Singapore/National University Hospital antiphospholipid cohort

K. Fong, S. Ng, K. Yoon, 2003 .

Uterine artery embolisation for symptomatic fibroids in a tertiary hospital in Singapore.

P. C. Mohan, K. H. Tay, B. Tan, 2005, Annals of the Academy of Medicine, Singapore.

Ulcerative colitis in Singapore: a clinical study of sixty-one patients.

C. S. Seah, H. Ng, M. Ho, 1987, Annals of the Academy of Medicine, Singapore.

Lost-to-follow-up study in systemic lupus erythematosus (SLE)

D. Gladman, M. Urowitz, V. Farewell, 2000, Lupus.