Studying a study and testing a test : how to read the medical evidence /

Riegelman, Richard K.

Studying a study and testing a test : how to read the medical evidence / by Richard K. Riegelman .- - 5th ed. - Philadelphia : Lippincott , 2005. - vii, 403 p.

0781745765


Medical literature-evaluation.
Medicine-research.

R118.6 / .R54