TY - GEN AU - Wertz,D C TI - Embryo and stem cell research in the United States: history and politics SN - 0969-7128 PY - 2002///0813 KW - Embryo, Mammalian KW - cytology KW - Ethics KW - history KW - History, 20th Century KW - History, 21st Century KW - Humans KW - Politics KW - Religion and Medicine KW - Research KW - Stem Cells KW - United States N1 - Publication Type: Historical Article; Journal Article UR - https://doi.org/10.1038/sj.gt.3301744 ER -