Portney, L. G. (2020). Foundations of clinical research: Applications to evidence-based practice (Fourth edition.). F.A. Davis.
Chicago-viite (17. p.)Portney, Leslie Gross. Foundations of Clinical Research: Applications to Evidence-based Practice. Fourth edition. Philadelphia: F.A. Davis, 2020.
MLA-viite (8. p.)Portney, Leslie Gross. Foundations of Clinical Research: Applications to Evidence-based Practice. Fourth edition. F.A. Davis, 2020.
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