1. Recurrence of ovarian endometriosis and anatomical location of the primary lesion 
Fabio Ghezzi, M.D., Paolo Beretta, M.D., Massimo Franchi, M.D., Miltiadis Parissis, M.D., Pierfrancesco Bolis, M.D. 
Fertility and Sterility 
Volume 75, Issue 1, Pages (January 2001)
DOI: /S (00)

2. Figure 1
Survival analysis of the interval between surgery and occurrence of pregnancy, according to the side of pelvic involvement. Open circles represent patients with endometriosis limited to the left hemipelvis; solid circles represent patients with endometriosis limited to the right hemipelvis (P=.063, generalized Wilcoxon test for survival analysis).
Ghezzi. Recurrence of ovarian endometriosis. Fertil Steril 2001.
Fertility and Sterility  , DOI: ( /S (00) )