Related by context. Frequent words. (Click for all words.) 66 oocytes 63 cryopreservation 62 ovarian tissue 61 allogeneic 60 ex vivo 59 RPE cells 59 oocyte 59 autologous 59 allografts 59 bone marrow stem cells 59 somatic cell 59 hepatocytes 57 cultured cells 57 engraftment 57 cell transplantation 57 hematopoietic stem cells 57 allograft 57 stem cells 56 spermatozoa 56 hematopoietic stem cell 56 vitro 56 bone marrow derived 56 hematopoietic 56 hESCs 56 lyophilized 55 bone marrow stem cell 55 transfection 55 embryos 55 mouse embryos 55 frozen embryo 55 antithrombin 55 neural stem cells 54 mesenchymal stem cells 54 allogeneic stem cell 54 islet cells 53 unfertilized eggs 53 umbilical cord blood 53 transgenic mice 53 somatic cells 53 fertilized embryos 53 cloned embryo 53 iPSCs 53 HSCs 53 progenitor cell 53 diploid 53 embryo 52 ESCs 52 unused embryos 52 ES cells 52 hESC 52 fertilized eggs 52 fibroblast 52 transplantation 52 Embryos 52 ovarian function 51 grafts 51 human neural stem 51 neural stem cell 51 adult stem cells 51 ovary 51 CD# + [002] 51 vitrification 51 stem cells derived 51 apheresis 51 blastocysts 51 pluripotent stem cells 51 fibrin sealant 51 prostate tissue 51 iPS cell 51 vitro fertilization clinics 51 chondrocytes 51 sperm 50 murine 50 pluripotent 50 progenitor cells 50 Implantation 50 cord blood 50 MSCs 50 gametes 50 broodstock 50 islet transplantation 50 diabetic mice 50 monoclonal 50 stem cell 50 serum samples 50 mammalian cell 49 stem cell transplantation 49 radiolabeled 49 germ cells 49 liposomal 49 etoposide 49 stromal cells 49 reperfusion 49 endometrial 49 cDNA 49 cardiomyocytes 49 calcitonin 49 regenerative cells 49 embryo transfers 49 plasmid DNA 49 situ hybridization