by Zulkifli, Khairil Khuzaini, Tan, Phei Oon, Mustaffa, Nazri, Chuah, Yoen Young, Muthukaruppan, Raman, Ma, Zheng Feei, Lee, Yeong Yeh
Published in The Malaysian journal of medical sciences (01.12.2021)

by Vadioaloo, Selva Yuwaraj, Zahidi, Mazura Mohamed, Tan, Phei Oon
Published in Journal of Interdisciplinary Medicine (01.06.2022)

by Chuah, Kee Huat, Wong, Mung Seong, Tan, Phei Oon, Lim, Sze Zee, Beh, Keng Hau, Chong, Sufian Chern Siong, Zulkifli, Khairil Khuzaini, Thalha, Abdul Malik, Mahadeva, Sanjiv, Lee, Yeong Yeh
Published in Digestive diseases and sciences (01.08.2022)

by Tan, Phei Oon, Soh, Alex Yu Sen, Kusano, Chika, Lee, Yeong Yeh, Gotoda, Takuji
Published in Digestion (01.01.2022)

by Tan, Phei Oon, Mustaffa, Nazri, Tan, Soek Siam, Lee, Yeong Yeh
Published in Journal of the Royal College of Physicians of Edinburgh (01.09.2020)