1 n Americans before admixture is also subject to doubt.

2 iate between experimental treatments is open to doubt.

3 ve epistasis is ubiquitous, and this has led to doubts about its importance in biological evolution.

4 unodeficiency virus (HIV) infection have led to doubts about the adequacy of the recommended penicill

5 emories to trust (high confidence) and which to doubt (low confidence).

6 w infection has been uncertain, contributing to doubt regarding the utility of experimental challenge

7 nefits vary widely, and there may be reasons to doubt that claims of efficacy reflect real-world effe

8                      There is no real reason to doubt that the peculiarities of the formation of DB a

9                                 This has led to doubts that Mars can be described adequately using th

10 mitted, too, and no clear reason is provided to doubt the existence of uniquely human cognitive adapt

11 mic in how both are the subject of campaigns to doubt the science.

12                       There are good reasons to doubt whether presently recognized prokaryotic specie