title: Real world research.
authors: J André
authors: JA
authors: Knottnerus
authors: Peter
authors: P
authors: Tugwell
mesh_terms: D035843:Biomedical Research / Q000379:methods*; D002986:Clinical Trials as Topic; D003625:Data Collection; D003627:Data Interpretation, Statistical; D006801:Humans; D012107:Research Design