1. Randomized, controlled trial comparing the efficacy of intrauterine balloon and intrauterine contraceptive device in the prevention of adhesion reformation after hysteroscopic adhesiolysis 
Xiao-Na Lin, M.Sc., Feng Zhou, M.Med., Min-Ling Wei, M.Med., Yang Yang, M.Med., Ying Li, M.B., B.S., T.C. Li, M.D., Ph.D., Song-Ying Zhang, M.D., Ph.D. 
Fertility and Sterility 
Volume 104, Issue 1, Pages (July 2015)
DOI: /j.fertnstert
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Intrauterine devices used in this study. (A) Heart-shaped intrauterine balloon. (B) Heart-shaped copper IUD.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Flow chart showing the recruitment, inclusion, and exclusion of subjects in the study.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions