title: Estimating the proportion of treatment effect explained by a surrogate marker.
authors.forename: P
authors.initials: P
authors.lastname: Flandre
authors.forename: Y
authors.initials: Y
authors.lastname: Saidi
mesh_terms: D015415:Biomarkers; D018791:CD4 Lymphocyte Count; D015658:HIV Infections / Q000188:drug therapy*; D006801:Humans; D016896:Treatment Outcome; D015215:Zidovudine / Q000494:pharmacology / Q000627:therapeutic use