TY - JOUR AU - Halme, D G; Kessler, D A TI - FDA regulation of stem-cell-based therapies JO - N Engl J Med IS - 16 VL - 355 PY - 2006 DO - 10.1056/NEJMhpr063086 L3 - PubMed-ID: 17050899 SP - 1730 EP - 1735 ER -