1. Observation on analgesic effect during and after oocyte retrieval by two kinds of analgesic methods in assisted reproductive technology;Sun;Zhong Guo Fu You Bao Jian,2011
2. Intravenous propofol combined with fentanyl for anesthesia during ultrasound-guided transvaginal oocyte retrieval;Liu;Di Yi Jun Yi Da Xue Xue Bao,2004
3. Observation on analgesic effect of ear acupuncture during ovum pick-up for in vitro fertilization-embryo transfer;Wang;Shanghai Zhen Jiu Za Zhi,2011
4. Observation on analgesia effect of electroacupuncture during gynecologic outpatient operation;Wang;Zhong Guo Zhen Jiu,2012
5. Introducing a placebo needle into acupuncture research;Streitberger;The Lancet,1998