BuzzFeed on MSN2d
45 Things Reviewers Said Were The Best Thing They Bought All Year
And some reviewers even call them the best purchases of the decade...or the best thing they've *ever* bought...now those are ...
University of Vermont2d
Human Subjects in Research Training
A clinical trial is defined by NIH as a research study in which one or more human subjects are prospectively assigned to one or more interventions (which may include placebo or other control) to ...