title: [A paradigm of evidence-based medicine: principles of clinical study].
authors.forename: E M
authors.initials: EM
authors.lastname: Krupitskiĭ
authors.forename: A V
authors.initials: AV
authors.lastname: Bortsov
mesh_terms: D019317:Evidence-Based Medicine / Q000592:standards*; D006801:Humans; D017410:Practice Guidelines as Topic; D015397:Program Evaluation