SITUMORANG, Herbert; RADITYO, Dimas. External Validation of Endometriosis Fertility Index (EFI) in an Indonesian Population: A TwoCentre Prospective Study: Validasi Eksternal Endometriosis Fertility Index (EFI) pada Populasi Indonesia: Sebuah Studi Prospektif. Indonesian Journal of Obstetrics and Gynecology, [S. l.], v. 5, n. 3, p. 160–163, 2017. DOI: 10.32771/inajog.v5i3.544. Disponível em: https://inajog.com/index.php/journal/article/view/544. Acesso em: 24 apr. 2026.