RT Journal A1 Mitka M T1 MEasuring countermeasures JF JAMA JO JAMA YR 2011 FD June 8 VO 305 IS 22 SP 2280 OP 2280 DO 10.1001/jama.2011.774 UL http://dx.doi.org/10.1001/jama.2011.774 AB Factors that hamper the federal government's efforts to foster development of medical countermeasures include the high failure rate in research and development and difficulties meeting regulatory requirements, according to a Government Accountability Office report presented at the April 13 hearing (http://1.usa.gov/icnasc).