High-dose recombinant LH add-back strategy using high-dose GnRH antagonist is an innovative protocol compared with standard GnRH antagonist. - Garcia-Velasco, J. A.; Bennink, H. J. T. Coelingh; Epifanio, R.; Escudero, E.; Pellicer, A.; Simón, C. (Reproductive BioMedicine Online (Reproductive Healthcare Limited), 2011)