title: Do we need randomised trials to evaluate diagnostic procedures? Against.
authors.affiliation: Northern California PET Imaging Center, 3195 Folsom Boulevard, Sacramento, CA 95816, USA. pvalk@earthlink.net
authors.forename: Peter E
authors.initials: PE
authors.lastname: Valk
mesh_terms: D005069:Evaluation Studies as Topic; D019317:Evidence-Based Medicine / Q000379:methods*; D006801:Humans; D011237:Predictive Value of Tests; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D013673:Technology Assessment, Biomedical / Q000379:methods; D014055:Tomography, Emission-Computed / Q000379:methods*