title: Ethical issues and problems in clinical research.
abstract: In the paper some documents on clinical research have been presented. Declaration of Helsinki WHO documents are suggested as a basic papers in this field. Some "delicate" problems are pointed and discussed in question about placebo and "moral obligations".
authors.affiliation: Hospital of the Hospitaller Brothers of St. John of God, Budapest, Hungary.
authors.forename: Kristof
authors.initials: K
authors.lastname: Nekam
mesh_terms: D035843:Biomedical Research / Q000941:ethics*; D004992:Ethics, Medical; D017408:Guidelines as Topic; D006801:Humans; D014944:World Health Organization