1Gunby J,Bissonnette F,Librach C et al.Assisted reproductive technologies(ART) in Canada:2007 results from the Canadina ART register[J].Fertil Steril,2011,95 (2):542.
3Barad DH,Brill H,Gleicher N.Update on the use of dehydroepiandrosterone supplementation among women with diminished ovarian function[J].J Assist Reprod Genet,2007,24(12):629.