title: Nested case-control studies.
authors.affiliation: Centre for Medical and Healthcare Education, St George's, University of London, London. p.sedgwick@sgul.ac.uk
authors.forename: Philip
authors.initials: P
authors.lastname: Sedgwick
mesh_terms: D002121:Calcium Channel Blockers / Q000009:adverse effects*; D016022:Case-Control Studies; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D013405:Suicide
chemical_list: D002121:Calcium Channel Blockers