Why observational studies should be among the tools used in comparative effectiveness research

NA Dreyer, SR Tunis, M Berger, D Ollendorf… - Health …, 2010 - healthaffairs.org
Doctors, patients, and other decision makers need access to the best available clinical
evidence, which can come from systematic reviews, experimental trials, and observational …

Effectiveness of antiviral treatment in human influenza A (H5N1) infections: analysis of a Global Patient Registry

W Adisasmito, PKS Chan, N Lee… - The Journal of …, 2010 - academic.oup.com
Abstract Background. Influenza A (H5N1) continues to cause infections and possesses
pandemic potential. Methods. Data sources were primarily clinical records, published case …