title: FDA challenges stem-cell clinic.
authors: David
authors: D
authors: Cyranoski
mesh_terms: D000818:Animals; D006801:Humans; D044968:Regenerative Medicine / Q000331:legislation & jurisprudence*; D033581:Stem Cell Transplantation / Q000009:adverse effects / Q000331:legislation & jurisprudence*; D013234:Stem Cells; D014182:Transplantation, Autologous / Q000009:adverse effects / Q000331:legislation & jurisprudence; D014481:United States; D014486:United States Food and Drug Administration / Q000331:legislation & jurisprudence*