The researchers said the overall numbers were not large enough to be statistically significant, but that may have been because the study was not given enough time.
But Dr. Bonow also sounded a note of caution, because the study was not a randomized controlled trial, considered the most reliable research.
Mr. Greene said he could not discuss the findings because the study was under consideration for publication in a major scientific journal, but he described them as promising.
Because the study was intended just to detect the presence of spores, no conclusions can be drawn about the health implications, two scientists involved in the testing said.
But Dr. Fauci said he could not generally recommend the alternate-week therapy because the study was too small and brief to determine long-term safety.
Because the study was in Arab schools, Indian or European families were not included.
Because the study was paper-and-pencil-based, the students were able to answer all the questions.
First, because the study was conducted in a single center, our findings might be not applicable to other situations.
This is because the study was conducted on an advanced-level language unit, where the population is usually smaller than in lower levels.
This is because the study was conducted in pastoral areas whose major income sources were livestock production, where livestock is also a sign of prestige for pastoral households.
We were unable to reach our targeted accrual goal of 55 patients because the study was time limited due to ARRA funding.
