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Statistics in MedicineVolume 11, Issue 7 p. 975-977 Letters to the Editor The analysis of failure time data in crossover studies David R. Bristol, David R. Bristol Janssen Research Foundation Inc. Piscataway, NJ 08855, U.S.A.Search for more papers by this authorJohn A. Lewis, John A. Lewis Institute of Mathematics and Statistics Cornwallis Building University of Kent Canterbury, Kent CT2 7NF, U.K.Search for more papers by this authorRichard Kay, Richard Kay Sheffield Statistical Services Sheffield Science Park Sheffield S1 2NS, U.K.Search for more papers by this author David R. Bristol, David R. Bristol Janssen Research Foundation Inc. Piscataway, NJ 08855, U.S.A.Search for more papers by this authorJohn A. Lewis, John A. Lewis Institute of Mathematics and Statistics Cornwallis Building University of Kent Canterbury, Kent CT2 7NF, U.K.Search for more papers by this authorRichard Kay, Richard Kay Sheffield Statistical Services Sheffield Science Park Sheffield S1 2NS, U.K.Search for more papers by this author First published: 1992 https://doi.org/10.1002/sim.4780110714Citations: 5Read the full textAboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Citing Literature Volume11, Issue71992Pages 975-977 RelatedInformation