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 ...

This title is part of a longer publication history. The full run of this journal will be searched. TITLE HISTORY A title history is the publication history of a journal and includes a listing of the ...

Many observational studies aim to make causal inferences about effects of interventions or exposures on health outcomes. This course defines causation, describes how emulating a ‘target trial’ can ...

Correspondence to Dr Steffan A Griffin, Centre for Sport and Exercise, The University of Edinburgh, Edinburgh EH8 9YL, UK; steffangriffin{at}gmail.com Data sources Published and unpublished reports of ...