title: Obstacles to biodefence.
mesh_terms: D001694:Biological Warfare / Q000191:economics / Q000517:prevention & control; D023482:Bioterrorism / Q000191:economics / Q000517:prevention & control* / Q000639:trends*; D002618:Chemical Warfare / Q000191:economics / Q000517:prevention & control; D019937:Diagnostic Techniques and Procedures; D005517:Foodborne Diseases / Q000191:economics / Q000517:prevention & control; D006077:Government Agencies / Q000191:economics / Q000331:legislation & jurisprudence / Q000458:organization & administration*; D004364:Pharmaceutical Preparations / Q000600:supply & distribution; D011634:Public Health / Q000191:economics / Q000379:methods; D012637:Security Measures / Q000191:economics / Q000331:legislation & jurisprudence / Q000458:organization & administration*; D014481:United States; D014612:Vaccines / Q000600:supply & distribution
chemical_list: D004364:Pharmaceutical Preparations; D014612:Vaccines