title: Estimating duration in partnership studies: issues, methods and examples.
authors.affiliation: Genentech, San Francisco, California, USA.
authors.forename: Bart
authors.initials: B
authors.lastname: Burington
authors.forename: James P
authors.initials: JP
authors.lastname: Hughes
authors.forename: William L H
authors.initials: WL
authors.lastname: Whittington
authors.forename: Brad
authors.initials: B
authors.lastname: Stoner
authors.forename: Geoff
authors.initials: G
authors.lastname: Garnett
authors.forename: Sevgi O
authors.initials: SO
authors.lastname: Aral
authors.forename: King K
authors.initials: KK
authors.lastname: Holmes