Authors: Ng, EHY Chui, DKC Tang, OS Lau, EYL Yeung, WSB Chung, HP

Citation: Ehy. Ng et al., In vitro fertilization and embryo transfer during natural cycles, J REPRO MED, 46(2), 2001, pp. 95-99

Authors: Ng, EHY Chui, DKC Tang, OS Ho, PC

Citation: Ehy. Ng et al., Paracervical block with and without conscious sedation: a comparison of the pain levels during egg collection and the postoperative side effects, FERT STERIL, 75(4), 2001, pp. 711-717

Authors: Ng, EHY Tang, OS Chui, DKC Ho, PC

Citation: Ehy. Ng et al., Comparison of two different doses of lignocaine used in paracervical blockduring oocyte collection in an IVF programme, HUM REPR, 15(10), 2000, pp. 2148-2151

Authors: Ng, EHY Tang, OS Chui, DKC Ho, PC

Citation: Ehy. Ng et al., A prospective, randomized, double-blind and placebo-controlled study to assess the efficacy of paracervical block in the pain relief during egg collection in IVF, HUM REPR, 14(11), 1999, pp. 2783-2787