title: Observation plans in longitudinal studies with time-varying treatments.
authors.affiliation: Department of Epidemiology, Harvard School of Public Health, Boston, MA 02115, USA. miguel_hernan@post.harvard.edu
authors.forename: Miguel A
authors.initials: MA
authors.lastname: Hernán
authors.forename: Mara
authors.initials: M
authors.lastname: McAdams
authors.forename: Nuala
authors.initials: N
authors.lastname: McGrath
authors.forename: Emilie
authors.initials: E
authors.lastname: Lanoy
authors.forename: Dominique
authors.initials: D
authors.lastname: Costagliola
mesh_terms: D006801:Humans; D008137:Longitudinal Studies; D015233:Models, Statistical; D019370:Observation / Q000379:methods*; D017891:Pharmacoepidemiology / Q000379:methods* / Q000706:statistics & numerical data