title: Considerations for observational research: in regard to Jagsi et al.
authors: Department of Radiation Oncology, University of Colorado School of Medicine, Aurora, Colorado.
authors: Chad G
authors: CG
authors: Rusthoven
authors: Department of Radiation Oncology, University of Colorado School of Medicine, Aurora, Colorado.
authors: Brian D
authors: BD
authors: Kavanagh
mesh_terms: D057189:Checklist; D016208:Databases, Factual; D009369:Neoplasms; D064887:Observational Studies as Topic / Q000379:methods*; D018787:Radiation Oncology; D012042:Registries