Gonal-F Pen 450 IU Gonal-F Pen 450 IU Gonal-F Pen Instructional Video Gonal-F Pen User Guide Download the Gonal-F Package Insert Cetrotide Vial Crinone Applicator Gonal-F Pen 300IU Gonal-F Pen 450IU Gonal-F Pen 900IU Gonal-F Vial 75IU Pergoveris Ovitrelle *Please enter the last 4 digits of your product barcode *This can be found on the back side of your pack. It should look like this: 6006XXXXXXXXX ... or like this: FXXXXXXX Last 4 digits of barcode: