corporated any relevant MeSH (Medical Subject Headings) terms or terms from the EMBASE thesaurus.

The search on pyridostigmine bromide used the term “pyridostigmine bromide” and its CAS registry number [101-26-8] to search any field of the bibliographic record. After eliminating duplicates, this search yielded 2,351 unique citations. A similar search was conducted for the terms “sarin,” “cyclosarin,” “cyclohexyl methylphosphonofluoridate,” and the registry numbers [107-44-8] and [329-99-7] appearing in any field of the bibliographic record. This search yielded 1,634 unique items. Searches were also conducted to retrieve epidemiologic studies of populations exposed to organophosphate insecticides. The search for citations on the anthrax and botulinum toxoid vaccines used terms relating to the specific toxins and vaccines. This search yielded 1,490 unique items. Searches were also conducted to retrieve citations on multiple vaccinations and on squalene. The databases were searched for citations on uranium or depleted uranium using terms related to the element, occupational and environmental exposure, and health outcomes.

An additional search retrieved citations on studies of uranium miners and other occupations. The results from the two searches were combined and dupli-