title: [Ethical problems of clinical drug investigations and use of placebo].
authors.affiliation: Katedra i Zakład Farmakologii Klinicznej Akademii Medycznej we Wrocławiu.
authors.forename: K
authors.initials: K
authors.lastname: Orzechowska-Juzwenko
mesh_terms: D002986:Clinical Trials as Topic / Q000592:standards*; D004992:Ethics, Medical; D005062:European Union; D006801:Humans; D007391:International Cooperation; D010919:Placebos / Q000592:standards*; D011044:Poland
chemical_list: D010919:Placebos