1. Postoperative medical treatment of chronic pelvic pain related to severe endometriosis: levonorgestrel-releasing intrauterine system versus gonadotropin-releasing hormone analogue 
Yesim Bayoglu Tekin, M.D., Berna Dilbaz, M.D., Sadiman Kiykac Altinbas, M.D., Serdar Dilbaz, M.D. 
Fertility and Sterility 
Volume 95, Issue 2, Pages (February 2011)
DOI: /j.fertnstert
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

2. Figure 1
Comparison of VAS scores in group 1 (LNG-IUS) and group 2 (GnRH analogue).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

3. Figure 2
Comparison of total endometriosis severity profile (TESP) scores in group 1 (LNG-IUS) and group 2 (GnRH analogue).
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions