1. Ahmad G, Saluja S, O'Flynn H, Sorrentino A, Leach D, Watson A. Pain relief for outpatient hysteroscopy. Available at:https://www.cochrane.org/CD007710/MENSTR_pain-relief-hysteroscopy-outpatient. Accessed October 30, 2019.
2. Outpatient hysteroscopy: an observational study of patient acceptability;Jivraj;Medicina (Kaunas),2004
3. Pain management in outpatient hysteroscopy;del Valle;Gynecol Minim Invasive Ther,2016
4. What proportion of women refers moderate to severe pain during office hysteroscopy with a mini-hysteroscope? A systematic review and meta-analysis;Paulo;Arch Gynecol Obstet,2016
5. Vaginoscopy against standard treatment: a randomised controlled trial;Smith;BJOG,2019