Text ( visual ) : unmediated Clinical epidemiology : how to do clinical practice research / R. Brian Haynes, David L. Sackett, Gordon H. Guyatt, Peter Tugwell. -- 3rd ed. -- Philadelphia : Lippincott Williams & Wilkins , c2006. -- xv, 496 p. : ill. ; 24 cm. + 1 CD-ROM. -- Includes bibliographical references. -- ISBN 0781745241 ; (BA73731485) ; https://ci.nii.ac.jp/ncid/BA73731485 Author Heading(s): Haynes, R. Brian ; Sackett, David L. ; Guyatt, Gordon ; Tugwell, Peter. -- Classification(s): LCC : RA652 ; NLM : WA 950 ; DC22 : 614.4. -- Subject Heading(s): LCSH : Clinical epidemiology ; LCSH : Medicine -- Research -- Epidemiology ; MESH : Biomedical Research -- methods ; MESH : Epidemiologic Methods ; MESH : Research Design