by Willett, Christopher G, Ooi, Choon-Jin, Zietman, Anthony L, Menon, Vandana, Goldberg, Saveli, Sands, Bruce E, Podolsky, Daniel K
Published in International journal of radiation oncology, biology, physics (01.03.2000)

by Kumarasinghe, M.P., Quek, T.P., Chau, C.Y.P., Mustapha, N.R.N., Luman, W., Ooi, C.J.
Published in Pathology (01.02.2010)

by ANG, D, LUMAN, W, OOI, C. J
Published in Singapore medical journal (2007)

by Tay, S, Chan, P W W, Wei, S C, Tan, M, Hilmi, I N, Leong, J W H, Tan, Y Y, Lim, C T, Ling, K L, Tey, T T, Tan, C K, Leong, R W L, Lim, W C, Hartono, J L, Shim, H H, Ong, D, Ooi, C J, Salazar, E
Published in Journal of Crohn's and colitis (24.01.2024)

by Ooi, C J, Lim, B L, Cheong, W K, Ling, A E, Ng, H S
Published in Annals of the Academy of Medicine, Singapore (01.11.2000)

by Ooi, Choon Jin, Podolsky, Daniel K
Published in Nutrition (Burbank, Los Angeles County, Calif.) (2000)

by Gan, A T-M, Chan, W P-W, Ling, K L, Hartono, L J, Ong, D E, Gowans, M, Lin, H, Lim, W C, Tan, M T-K, Ong, J P-L, Schwender, B J, Kong, S C, Ong, W C, Lim, T G, Chuah, S W, Ooi, C J, Shim, H H
Published in Journal of Crohn's and colitis (25.01.2019)

by Ooi, C J, Sands, B E
Published in Current opinion in gastroenterology (01.07.1999)

by Ooi, Choon Jin, Fock, Kwong Ming, Makharia, Govind K, Goh, Khean Lee, Ling, Khoon Lin, Hilmi, Ida, Lim, Wee Chian, Kelvin, Thia, Gibson, Peter R, Gearry, Richard B, Ouyang, Qin, Sollano, Jose, Manatsathit, Sathaporn, Rerknimitr, Rungsun, Wei, Shu-chen, Leung, Wai Keung, De Silva, H Janaka, Leong, Rupert WL
Published in Journal of gastroenterology and hepatology (01.03.2010)

by Ouyang, Qin, Tandon, Rakesh, Goh, Khean-Lee, Ooi, Choon Jin, Ogata, Haruhiko, Fiocchi, Claudio
Published in Current opinion in gastroenterology (01.07.2005)

by Mizoguchi, Emiko, Mizoguchi, Atsushi, Takedatsu, Hidetoshi, Cario, Elke, de Jong, Ype P, Ooi, Choon Jin, Xavier, Ramnik J, Terhorst, Cox, Podolsky, Daniel K, Bhan, Atul K
Published in Gastroenterology (New York, N.Y. 1943) (01.01.2002)

by Sands, Bruce E., Ooi, Choon Jin
Published in Inflammatory bowel diseases (01.02.2005)

by Ling, Khoon-Lin, Ooi, Choon-Jin, Luman, Widjaja, Cheong, Wei-Kuen, Choen, Francis Seow, Ng, Han-Seong
Published in Journal of clinical gastroenterology (01.08.2002)