i21 小时
How the precarious Gaza prisoner exchange will work - and the challenges ahead
As part of a ceasefire agreement Hamas will return 94 Israeli hostages in exchange for around 2,000 Palestinian prisoners ...
University of Vermont23 小时
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 ...