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