1. Randomized clinical trial of two laparoscopic treatments of endometriomas: cystectomy versus drainage and coagulation 
Paolo Beretta, M.D., Massimo Franchi, M.D., Fabio Ghezzi, M.D., Mauro Busacca, M.D., Errico Zupi, M.D., Pierfrancesco Bolis, M.D. 
Fertility and Sterility 
Volume 70, Issue 6, Pages (December 1998)
DOI: /S (98)

2. FIGURE 1
Survival analysis of the interval between operation and the recurrence of moderate to severe pain (dysmenorrhea, deep dyspareunia, or nonmenstrual pelvic pain) according to the type of surgery performed (closed circles = cystectomy of the endometriomas; open circles = drainage and coagulation) (generalized Wilcoxon’s test for survival analysis, P<.05).
Fertility and Sterility  , DOI: ( /S (98) )

3. FIGURE 2
Survival analysis of the interval between operation and the occurrence of a pregnancy according to the type of surgery performed (closed circles = cystectomy of the endometriomas; open circles = drainage and coagulation) (generalized Wilcoxon’s test for survival analysis, P<.05).
Fertility and Sterility  , DOI: ( /S (98) )