权威例句
Atlas corològic de la flora vascular dels Països Catalans. Volum 12Risk factors for high-order multiple implantation after ovarian stimulation with gonadotrophins: evidence from a large series of 187...The influence of the depth of embryo replacement into the uterine cavity on implantation rates after IVF: a controlled, ultrasound-g...Embryo transfer under ultrasound guidance improves pregnancy rates after in-vitro fertilizationFactors related to the failure of endoscopic injection therapy for bleeding gastric ulcer.Women with poor response to IVF have lowered circulating gonadotrophin surge-attenuating factor (GnSAF) bioactivity during spontaneo...The usefulness of ultrasound guidance in frozen–thawed embryo transfer: a prospective randomized clinical trialSerum progesterone concentrations on the day of HCG administration cannot predict pregnancy in assisted reproduction cyclesPregnancy after the replacement of a frozen-thawed embryo with less than 50% intact blastomeres.Co-ordinated expression of amino acid metabolism in response to N and S deficiency during wheat grain filling