Database: Ovid MEDLINE(R) Epub Ahead of Print, In‐Process & Other Non‐Indexed Citations, Ovid MEDLINE(R) Daily and Ovid MEDLINE(R) <1946 to Present>

Search Strategy:

1 (redundan* or reproduc* or mislead* or unnecessary or mislead* or conflicted or redundan* or waste or wasted or concordan* or discordan* or replicat* or duplicat* or overlap* or "on the same topic").tw. (1046123)

2 "Reproducibility of Results"/(348432)

3 technology assessment, biomedical/(9123)

4 Comparative Effectiveness Research/mt (525)

5 exp Meta‐Analysis as Topic/(16192)

6 *"Review Literature as Topic"/(3333)

7 Selection Bias/(4008)

8 1 or 2 (1335401)

9 or/3‐7 (32004)

10 8 and 9 (3194)

11 ((redundan* or reproduc* or mislead* or unnecessary or mislead* or conflicted or redundan* or waste or wasted or concordan* or discordan* or replicat* or duplicat* or overlap* or "on the same topic") adj5 (systematic rev* or meta anal* or "technology assessment" or comparative effectiveness)).tw. (1276)

12 10 or 11 (4256)