Dyfyniad APA

Portner, L. G. (2020). Foundations of clinical research: Applications to practic (4th.). F.A.Davis.

Dyfyniad Arddull Chicago

Portner, Leslie Gross. Foundations of Clinical Research: Applications to Practic. 4th. Philadelphia: F.A.Davis, 2020.

Dyfyniad MLA

Portner, Leslie Gross. Foundations of Clinical Research: Applications to Practic. 4th. F.A.Davis, 2020.

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