Media type: E-Article Title: Introduction to symposium Contributor: Selwyn, Murray R. imprint: Wiley, 1992 Published in: Statistics in Medicine, 11 (1992) 14-15, Seite 1797-1797 Language: English DOI: 10.1002/sim.4780111402 ISSN: 0277-6715; 1097-0258 Keywords: Statistics and Probability ; Epidemiology Origination: Footnote: