Selection of controls for hospital-based case-control studies using retrospective data on the geographic distribution of cases and controls

G Leonardi ; T Fletcher ; K Koppova ; R Hough ; P Rudnai ; E Gurzau ; (2004) Selection of controls for hospital-based case-control studies using retrospective data on the geographic distribution of cases and controls. [Conference or Workshop Item] https://researchonline.lshtm.ac.uk/id/eprint/14036