Haynes R Brian.
Clinical epidemiology how to do clinical practice research. - 3rd - Philadelphia Lippincott William & Wilkins 2006 - 496 p. 27 cm. - .
David L Sackett,Gordon H Guyatt and Peter Tugwell jt.authors.
Epidemiology,Clinical, Medical Research-Epidemiology
0781745241
Medical Research-Epidemiology
Epidemiology,Clinical
WA105 / HAY
Clinical epidemiology how to do clinical practice research. - 3rd - Philadelphia Lippincott William & Wilkins 2006 - 496 p. 27 cm. - .
David L Sackett,Gordon H Guyatt and Peter Tugwell jt.authors.
Epidemiology,Clinical, Medical Research-Epidemiology
0781745241
Medical Research-Epidemiology
Epidemiology,Clinical
WA105 / HAY