Sari, C. K. ., H. . Wijayanto, and I. M. . Sumertajaya. “Endurance of Endometriosis Patients After Surgery Using Survival Analysis”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 59, no. 2, July 2021, pp. 1-13, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/12758.