title: Guidelines: in search of certainty.
authors.forename: D
authors.initials: D
authors.lastname: Saltman
mesh_terms: D001315:Australia; D019317:Evidence-Based Medicine; D005194:Family Practice; D006801:Humans; D017410:Practice Guidelines as Topic / Q000592:standards; D010818:Practice Patterns, Physicians'; D013997:Time Factors; D016896:Treatment Outcome