Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...
Introduction Maximising the impact of new and forthcoming long-acting injectable HIV pre-exposure prophylaxis (PrEP) products ...
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 ...