1 “... of the anthrax mailings, the FBI worked with other federal agencies to coordinate and conduct scientific analyses...”

2 “... of toxicology and industrial hygiene in international forums. COT's mission is to conduct independent...”

3 “... of toxicology and industrial hygiene in international forums. COT's mission is to conduct independent...”

4 “... of anaesthetics in the 1840s, surgical operations were conducted with little or no pain relief and were attended...”

5 “... of anaesthetics in the 1840s, surgical operations were conducted with little or no pain relief and were attended...”