Related by context. Frequent words. (Click for all words.) 55 therapeutic cloning 54 stem cell research 53 stem cell 53 embryonic stem cell 52 human embryos 51 human cloning 51 embryonic stem cells 49 reproductive cloning 49 human embryonic stem 49 cloned embryos 48 cloning 48 Stem cell 48 bioethicists 48 stem cell therapies 46 embryonic cells 46 stem cells 46 Stem Cell Research 45 destroying embryos 45 bioethics 45 adult stem cell 45 embryos 45 scientific breakthroughs 45 adult stem cells 44 scientific 44 comparative effectiveness 44 genetic modification 44 HFEA 44 scientists 43 embryo 43 Institutional Review 43 somatic cell nuclear 42 NIH 42 RU# [002] 42 genetically modified 41 organ transplants 41 patenting 41 IVF 41 stem cell therapy 41 ethicists 41 synthetic biology 41 assisted reproductive 41 scientific discoveries 40 StemCells 40 stem cells derived 40 Human Fertilisation 40 Stem Cell 40 nanomedicine 40 Bioethics 40 biomedical research 40 biotech 39 experiments 39 ethical considerations 39 biotechnology 39 vaccines 39 fertility clinics 39 biotechnological 39 Bt brinjal 39 gene therapy 39 genetically engineered 39 fertility treatments 39 clinical trials 38 assisted reproduction 38 vaccine 38 Cloning 38 Therapeutic Goods Administration 38 regenerative medicine 38 nanotechnology 38 CIRM 38 genetically modified crops 38 biotechnologies 38 Embryonic stem cells 38 nanotech 38 cervical cancer vaccine 38 genetically modified GM 38 Stem Cells 38 Hwang 37 biosimilar 37 iPS cells 37 nanotechnologies 37 flu vaccines 37 transgenic 37 Zerhouni 37 organ transplantation 37 sperm donors 37 induced pluripotent stem cells 37 Schatten 37 bioethicist 37 biosimilars 37 breakthroughs 36 ethical dilemmas 36 Biotech 36 GMOs 36 Advanced Cell 36 National Institutes 36 vitro fertilization IVF 36 privately funded 36 infertile couples 36 research 36 bioengineered 36 commercial whaling 36 drugmakers