APA
Aboulfoutouh I. I., Youssef M. A. F., Zakaria A. E., Mady A. A. F. & Khattab S. M. (20120322). Cervical twin ectopic pregnancy after in vitro fertilization-embryo transfer (IVF-ET): case report. : Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology.
Chicago
Aboulfoutouh Ismail I, Youssef Mohamed A F, Zakaria Ahmed E, Mady Amir A F and Khattab Sherif M. 20120322. Cervical twin ectopic pregnancy after in vitro fertilization-embryo transfer (IVF-ET): case report. : Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology.
Harvard
Aboulfoutouh I. I., Youssef M. A. F., Zakaria A. E., Mady A. A. F. and Khattab S. M. (20120322). Cervical twin ectopic pregnancy after in vitro fertilization-embryo transfer (IVF-ET): case report. : Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology.
MLA
Aboulfoutouh Ismail I, Youssef Mohamed A F, Zakaria Ahmed E, Mady Amir A F and Khattab Sherif M. Cervical twin ectopic pregnancy after in vitro fertilization-embryo transfer (IVF-ET): case report. : Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology. 20120322.