能不能帮忙下几篇SCIENCEDIRECT上的英文文献?文章题目如下: 1、Pharmacokinetics of carbetocin, a long-acting oxytocin analogue, following intravenous administration in horses Theriogenology, Volume 68, Issue 3, August 2007, Pages 517-518 A.R. Schramme, C.R. Pinto, J.L. Davis, M.D. Whitacre, C.S. Whisnant 2、Carbetocin versus a combination of oxytocin and ergometrine in control of postpartum blood loss International Journal of Gynecology & Obstetrics, Volume 97, Issue 2, May 2007, Pages 152-153 Lei Ngan, Wong Keong, Rolando Martins 3、Oxytocin does not contribute to the effects of cervical dilation on progesterone secretion and embryonic development in mares Theriogenology, Volume 66, Issue 5, 15 September 2006, Pages 1397-1404 Johannes Handler, Danielle Hoffmann, Frank Weber, Dieter Schams, Christine Aurich 4、The effect of a single oxytocin or carbetocin treatment on uterine contractility in early postpartum dairy cows Theriogenology, Volume 65, Issue 2, 20 January 2006, Pages 400-414 Árpád Csaba Bajcsy, Ottó Szenci, Gijsbert C. van der Weijden, Arie Doornenbal, Francesca Maassen, János Bartyik, Marcel A.M. Taverne 5、Binding domains of the oxytocin receptor for the selective oxytocin receptor antagonist barusiban in comparison to the agonists oxytocin and carbetocin 6、Separation and characterization of complex crude mixtures produced in the synthesis of therapeutic peptide hormones by liquid chromatography coupled to electrospray mass spectrometry (LC–ES-MS)