title: What constitutes a mortality study? Comment on the article by Uramoto et al.
authors.forename: D J
authors.initials: DJ
authors.lastname: Wallace
mesh_terms: D015331:Cohort Studies; D006801:Humans; D008180:Lupus Erythematosus, Systemic / Q000453:epidemiology* / Q000401:mortality*; D015996:Survival Rate / Q000639:trends