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3 “... will be most effective, ongoing efforts to develop a focused, well-organized program of applied research should...”

4 “... will be most effective, ongoing efforts to develop a focused, well-organized program of applied research should...”

5 “... analysis, similar cointerventions, acceptable compliance, similar outcome assessment timing) as well...”

6 “... resistance as well as the frequency of mutant virus in the overall viral population decreases with time since...”

7 “... resistance as well as the frequency of mutant virus in the overall viral population decreases with time since...”

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11 “... analysis, similar cointerventions, acceptable compliance, similar outcome assessment timing) as well...”

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