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surveillance |
The word
surveillance |
"HIV" |
The word
HIV (Enclose words like HIV in quotes) |
brochure,
guideline, report |
Any of
brochure, guideline, or report, ranked
in the same order |
counseling
AND testing |
The words
counseling and testing |
counseling
OR testing |
Either
the word counseling or testing |
counseling
NOT testing |
The word
counseling, but not the word testing |
infect* |
Words
beginning with infect |
"leading
cause of " |
The entire
phrase leading cause of |