Information is available on the purpose of the study protocol, the location, the eligibility requirements, the exclusion criteria, and the names and telephone numbers of contact persons.
All calls are completely confidential.
Health specialists provide information to callers over the telephone and can, on request, send callers a printout of a customized search of the clinical trials database. A bilingual health specialist is available for Spanish-speaking callers. This conversion may have resulted in character translation or format errors in the HTML version. Users should not rely on this HTML document, but are referred to the original MMWR paper copy for the official text, figures, and tables. Contact GPO for current prices.