1 “... of large primary prevention trials, and the incidence rates from observational studies. We focused...”

2 “... of large primary prevention trials, and the incidence rates from observational studies. We focused...”

3

4

5

6 “...STUDY SELECTION: Randomized controlled trials and observational studies of breast cancer screening...”

7 “...STUDY SELECTION: Randomized controlled trials and observational studies of breast cancer screening...”

8 “.... Future research should focus on the content and organizational context of HBPC interventions so...”

9 “... trials and large observational studies. Shorter regimens are less effective, but also decrease the rate...”

10 “... trials and large observational studies. Shorter regimens are less effective, but also decrease the rate...”

11 “...: Randomized controlled trials and observational studies published between December 1999 and February 2005...”

12 “...: Randomized controlled trials and observational studies published between December 1999 and February 2005...”

13 “...Among the observational studies, one study reported that CRC mortality was reduced by about 40...”

14 “...Among the observational studies, one study reported that CRC mortality was reduced by about 40...”

15 “... efficacy and harms data, and 18 observational studies assessed long-term harms and adherence. RCTs were...”

16 “... efficacy and harms data, and 18 observational studies assessed long-term harms and adherence. RCTs were...”

17 “... of the included trials or observational studies reported on harms of the screening test or treatments. False...”

18 “... of the included trials or observational studies reported on harms of the screening test or treatments. False...”

19 “...., clinical vs. observational data)...”

20 “...., clinical vs. observational data)...”