Results 121 to 130 of about 3,042,565 (140)

Liberal or Restrictive Postoperative Transfusion in Patients at High Cardiac Risk: The TOP Randomized Clinical Trial.

open access: yesJAMA
Kougias P   +36 more
europepmc   +1 more source

Evaluating the Test-Negative Design for COVID-19 Vaccine Effectiveness Using Randomized Trial Data: A Secondary Cross-Protocol Analysis of 5 Randomized Clinical Trials.

open access: yesJAMA Netw Open
Andrews LIB   +30 more
europepmc   +1 more source

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