1 “... controlled trials of estrogen were identified and none met criteria to be ranked as a good-quality study. A...”

2 “... controlled trials of estrogen were identified and none met criteria to be ranked as a good-quality study. A...”

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9 “... for chlamydia in a good-quality trial did not statistically significantly reduce pelvic inflammatory disease...”

10 “... for chlamydia in a good-quality trial did not statistically significantly reduce pelvic inflammatory disease...”

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