APA

Youssef M. A., Van der Veen F., Al-Inany H. G., Griesinger G., Mochtar M. H., Aboulfoutouh I., Khattab S. M. & van Wely M. (20110228). Gonadotropin-releasing hormone agonist versus HCG for oocyte triggering in antagonist assisted reproductive technology cycles. : The Cochrane database of systematic reviews.

Chicago

Youssef Mohamed Afm, Van der Veen Fulco, Al-Inany Hesham G, Griesinger Georg, Mochtar Monique H, Aboulfoutouh Ismail, Khattab Sherif M and van Wely Madelon. 20110228. Gonadotropin-releasing hormone agonist versus HCG for oocyte triggering in antagonist assisted reproductive technology cycles. : The Cochrane database of systematic reviews.

Harvard

Youssef M. A., Van der Veen F., Al-Inany H. G., Griesinger G., Mochtar M. H., Aboulfoutouh I., Khattab S. M. and van Wely M. (20110228). Gonadotropin-releasing hormone agonist versus HCG for oocyte triggering in antagonist assisted reproductive technology cycles. : The Cochrane database of systematic reviews.

MLA

Youssef Mohamed Afm, Van der Veen Fulco, Al-Inany Hesham G, Griesinger Georg, Mochtar Monique H, Aboulfoutouh Ismail, Khattab Sherif M and van Wely Madelon. Gonadotropin-releasing hormone agonist versus HCG for oocyte triggering in antagonist assisted reproductive technology cycles. : The Cochrane database of systematic reviews. 20110228.