• What Drives States to Restrict Stem Cell Research? An Event-History Analysis 

      Hearn, James C.; Lacy, T. Austin; Levine, Aaron D. (Georgia Institute of Technology, 2009-10-03)
      Since human embryonic stem cells were first isolated in 1998, stem cell science has rapidly emerged on the policy agenda both at the national and state levels. This policy activity reflects the contentious nature of this ...