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5 “... if they used a reference standard and allowed calculation of sensitivity and specificity. We excluded studies...”

6 “... if they used a reference standard and allowed calculation of sensitivity and specificity. We excluded studies...”

7 “... Health Care. Specifically, we focused on comparative studies of clinical examination vs. ultrasound...”

8 “... Health Care. Specifically, we focused on comparative studies of clinical examination vs. ultrasound...”

9 “.... No screening test was consistently associated with both high (>90 percent) sensitivity and specificity....”

10 “.... No screening test was consistently associated with both high (>90 percent) sensitivity and specificity....”