title: Large Study But Weak Test of Internal Validation: Comment on the Article by Solomon et al.
authors: University of Oxford, Oxford, UK.
authors: Gary S
authors: GS
authors: Collins
authors: McMaster University, and Population Health Research Institute, Hamilton, Ontario, Canada.
authors: Yannick
authors: Y
authors: Le Manach
mesh_terms: D001172:Arthritis, Rheumatoid / Q000453:epidemiology*; D002318:Cardiovascular Diseases / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D012042:Registries