AU - Li C FAU - Li, Chenghui AU - Aparasu R FAU - Aparasu, Rajender R. AU - Bentley J FAU - Bentley, John P. TI - Evaluating Observational Studies PT - BOOK SECTION DP - 2020 BTI - Principles of Research Design and Drug Literature Evaluation, 2e DA - 2020 Y2 - 2024/03/29 UR - accesspharmacy.mhmedical.com/content.aspx?aid=1166251573