title: Residual confounding in observational studies.
authors.forename: Kwok Ming
authors.initials: KM
authors.lastname: Ho
mesh_terms: D000318:Adrenergic beta-Agonists / Q000009:adverse effects; D006348:Cardiac Surgical Procedures; D003627:Data Interpretation, Statistical; D004280:Dobutamine / Q000009:adverse effects; D006801:Humans; D016015:Logistic Models; D012107:Research Design; D018570:Risk Assessment; D015983:Selection Bias; D016896:Treatment Outcome
chemical_list: D000318:Adrenergic beta-Agonists; D004280:Dobutamine