article 2003 Type of infertility is a prognostigator of IVF outcome ·doi:10.1016/s0015-0282(03)01360-8
article 1993 MANAGEMENT OF ENDOMETRIOSIS IN WOMEN OLDER THAN 40 YEARS OF AGE Obstetrics and gynecology clinics of North America ·doi:10.1016/s0889-8545(21)00524-6