title: Stem cell politics: difficult choices for the White House and Congress.
authors.forename: K E
authors.initials: KE
authors.lastname: Hanna
mesh_terms: D033041:Embryo Research / Q000331:legislation & jurisprudence*; D006801:Humans; D011050:Policy Making; D011057:Politics; D013234:Stem Cells; D014481:United States; D014483:United States Dept. of Health and Human Services