Clinical epidemiology : practice and methods / edited by Patrick Parfrey and Brendan Barrett. (Methods in molecular biology ; 473) (Springer protocols)
Clinical epidemiology : practice and methods / edited by Patrick Parfrey and Brendan Barrett.
(Methods in molecular biology ; 473) (Springer protocols)
On framing the research question and choosing the appropriate research design / Patrick Parfrey and Pietro RavaniLongitudinal studies and determinatio...