title: Assessing the safety of drugs through observational research.
authors.forename: Ross J
authors.initials: RJ
authors.lastname: Simpson
mesh_terms: D001281:Atrial Fibrillation / Q000188:drug therapy*; D002316:Cardiotonic Agents / Q000009:adverse effects*; D004070:Digitalis; D004071:Digitalis Glycosides / Q000009:adverse effects; D006801:Humans; D008517:Phytotherapy / Q000009:adverse effects*; D028321:Plant Preparations / Q000009:adverse effects*; D012449:Safety
chemical_list: D002316:Cardiotonic Agents; D004071:Digitalis Glycosides; D028321:Plant Preparations