National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Once peer review is completed and the editor is satisfied that any concerns raised by the reviewers have been suitably addressed, the paper is accepted ‘in principle’ (AIP). The editor will send ...

In the prehospital setting, hemodynamic instability presents a major diagnostic challenge for emergency medical teams, as rapid differentiation between underlying causes is often required in the ...