title: Principles behind practice. Introduction to clinical epidemiology.
authors.affiliation: Centre for Clinical Epidemiology and Biostatistics, University of Newcastle, Royal Newcastle Hospital, NSW.
authors.forename: R F
authors.initials: RF
authors.lastname: Heller
mesh_terms: D015510:Clinical Medicine / Q000639:trends; D003657:Decision Making; D004813:Epidemiology / Q000639:trends