title: [Clinical trial of drugs (2): principles and problems].
mesh_terms: D002986:Clinical Trials as Topic; D004357:Drug Synergism; D004358:Drug Therapy; D064420:Drug-Related Side Effects and Adverse Reactions; D006801:Humans; D008722:Methods; D004364:Pharmaceutical Preparations / Q000008:administration & dosage; D010817:Physician-Patient Relations; D010919:Placebos; D013223:Statistics as Topic; D013997:Time Factors
chemical_list: D004364:Pharmaceutical Preparations; D010919:Placebos
vernacular_title: Klinisk prövning av läkemedel (2): principer och problem.