by Li, Raymond H.W., Lo, Sue S.T., Teh, Dawn K.G., Tong, Ngai-Chiu, Tsui, Michelle H.Y., Cheung, Kai-Bun, Chung, Tony K.H.
Published in Contraception (Stoneham) (01.12.2004)

by Tiwari, A, Chan, KL, Fong, D, Leung, WC, Brownridge, DA, Lam, H, Wong, B, Lam, CM, Chau, F, Chan, A, Cheung, KB, Ho, PC
Published in BJOG : an international journal of obstetrics and gynaecology (01.02.2008)

by Ng, P.S., Chan, A.S.M., Sin, W.K., Tang, L.C.H., Cheung, K.B., Yuen, P.M.
Published in Human reproduction (Oxford) (01.01.2001)

by Wong, F.C.S, Pang, C.-P, Tang, S.-K, Tung, S.Y, Leung, T.-W, Sze, W.-K, Cheung, K.-B
Published in Clinical oncology (Royal College of Radiologists (Great Britain)) (01.08.2004)