title: Case-control studies of screening should carry a health warning. Response.
authors.forename: Margaret
authors.initials: M
authors.lastname: Hoffman
authors.forename: Lynn
authors.initials: L
authors.lastname: Rosenberg
authors.forename: Samuel
authors.initials: S
authors.lastname: Shapiro
mesh_terms: D016022:Case-Control Studies; D005260:Female; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D008499:Medical Records; D013997:Time Factors; D002583:Uterine Cervical Neoplasms / Q000175:diagnosis*; D014626:Vaginal Smears